860958720 has 312 divisors, whose sum is σ = 3112711056. Its totient is φ = 228261888.

The previous prime is 860958719. The next prime is 860958743. The reversal of 860958720 is 27859068.

860958720 is a `hidden beast` number, since 8 + 60 + 9 + 587 + 2 + 0 = 666.

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 23 ways as a sum of consecutive naturals, for example, 4976554 + ... + 4976726.

It is an arithmetic number, because the mean of its divisors is an integer number (9976638).

Almost surely, 2^860958720 is an apocalyptic number.

860958720 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 860958720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1556355528).

860958720 is an abundant number, since it is smaller than the sum of its proper divisors (2251752336).

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

860958720 is an equidigital number, since it uses as much as digits as its factorization.

860958720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 217 (or 183 counting only the distinct ones).

The product of its (nonzero) digits is 241920, while the sum is 45.

The square root of 860958720 is about 29342.0980844929. The cubic root of 860958720 is about 951.3217870345.

The spelling of 860958720 in words is "eight hundred sixty million, nine hundred fifty-eight thousand, seven hundred twenty".