860919072 has 192 divisors, whose sum is σ = 2575722240. Its totient is φ = 249790464.

The previous prime is 860919067. The next prime is 860919109. The reversal of 860919072 is 270919068.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2554488 + ... + 2554824.

It is an arithmetic number, because the mean of its divisors is an integer number (13415220).

Almost surely, 2^860919072 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 860919072, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1287861120).

860919072 is an abundant number, since it is smaller than the sum of its proper divisors (1714803168).

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

860919072 is a wasteful number, since it uses less digits than its factorization.

860919072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 475 (or 467 counting only the distinct ones).

The product of its (nonzero) digits is 54432, while the sum is 42.

The square root of 860919072 is about 29341.4224604057. The cubic root of 860919072 is about 951.3071837075.

The spelling of 860919072 in words is "eight hundred sixty million, nine hundred nineteen thousand, seventy-two".