8,564,989
557 × 15377
Deficient
Odd
Composite
8,564,989 has digital root 4. The neighboring primes are 8564987 and 8565031; its proper-divisor sum differs from the starting integer by -8,549,054.
Resources
Prime Factor Structure
Factorization String
557 × 15377
Distinct Prime Factors
2
Square Status
No
Abundance Measure
Deficient
Analytical Properties
Total Divisors
4
Divisor Sum (σ)
8,580,924
Proper Divisor Sum
15,935
Digit Sum / Digital Root
49 (Root: 4)
Adjacent Primes
#8564987 ← → #8565031
Radix Representation
| Decimal | 8564989 |
| Binary | 100000101011000011111101 (24 bits) |
| Octal | 0o40530375 |
| Hexadecimal | 0x82B0FD |
Divisor Catalog (4)
Collatz Trajectory (98 steps to reach 1)
Iterative sequence n → n/2 (if even) or 3n+1 (if odd):
Showing the first 5 trajectory entries; the stopping-time total above is unchanged.