860998320 has 480 divisors, whose sum is σ = 3773008512. Its totient is φ = 170754048.

The previous prime is 860998301. The next prime is 860998339. The reversal of 860998320 is 23899068.

860998320 is a `hidden beast` number, since 8 + 609 + 9 + 8 + 32 + 0 = 666.

It is an interprime number because it is at equal distance from previous prime (860998301) and next prime (860998339).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 1113454 + ... + 1114226.

Almost surely, 2^860998320 is an apocalyptic number.

860998320 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 860998320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1886504256).

860998320 is an abundant number, since it is smaller than the sum of its proper divisors (2912010192).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

860998320 is a wasteful number, since it uses less digits than its factorization.

860998320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 829 (or 820 counting only the distinct ones).

The product of its (nonzero) digits is 186624, while the sum is 45.

The square root of 860998320 is about 29342.7728751050. The cubic root of 860998320 is about 951.3363722344.

It can be divided in two parts, 8609 and 98320, that added together give a square (106929 = 327²).

The spelling of 860998320 in words is "eight hundred sixty million, nine hundred ninety-eight thousand, three hundred twenty".