860387472 has 90 divisors (see below), whose sum is σ = 2801037798. Its totient is φ = 245822976.

The previous prime is 860387449. The next prime is 860387483. The reversal of 860387472 is 274783068.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 589324176 + 271063296 = 24276^2 + 16464^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 53913 + ... + 68024.

Almost surely, 2^860387472 is an apocalyptic number.

It is an amenable number.

860387472 is an abundant number, since it is smaller than the sum of its proper divisors (1940650326).

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

860387472 is a wasteful number, since it uses less digits than its factorization.

860387472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 121965 (or 121949 counting only the distinct ones).

The product of its (nonzero) digits is 451584, while the sum is 45.

The square root of 860387472 is about 29332.3621960455. The cubic root of 860387472 is about 951.1113391190. Note that the first 3 decimals are identical.

The spelling of 860387472 in words is "eight hundred sixty million, three hundred eighty-seven thousand, four hundred seventy-two".