865814472 has 48 divisors (see below), whose sum is σ = 2349516780. Its totient is φ = 288038400.

The previous prime is 865814441. The next prime is 865814473. The reversal of 865814472 is 274418568.

It can be written as a sum of positive squares in 2 ways, for example, as 854159076 + 11655396 = 29226^2 + 3414^2 .

It is not an unprimeable number, because it can be changed into a prime (865814473) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 25972 + ... + 49052.

Almost surely, 2^865814472 is an apocalyptic number.

It is an amenable number.

865814472 is an abundant number, since it is smaller than the sum of its proper divisors (1483702308).

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

865814472 is a wasteful number, since it uses less digits than its factorization.

865814472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23614 (or 23607 counting only the distinct ones).

The product of its digits is 430080, while the sum is 45.

The square root of 865814472 is about 29424.7255212347. The cubic root of 865814472 is about 953.1068998903.

The spelling of 865814472 in words is "eight hundred sixty-five million, eight hundred fourteen thousand, four hundred seventy-two".