865530232 has 32 divisors (see below), whose sum is σ = 1862834400. Its totient is φ = 369316224.

The previous prime is 865530191. The next prime is 865530247. The reversal of 865530232 is 232035568.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20923 + ... + 46570.

It is an arithmetic number, because the mean of its divisors is an integer number (58213575).

Almost surely, 2^865530232 is an apocalyptic number.

It is an amenable number.

865530232 is an abundant number, since it is smaller than the sum of its proper divisors (997304168).

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

865530232 is a wasteful number, since it uses less digits than its factorization.

865530232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67735 (or 67731 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 34.

The square root of 865530232 is about 29419.8951731647. The cubic root of 865530232 is about 953.0025893382.

The spelling of 865530232 in words is "eight hundred sixty-five million, five hundred thirty thousand, two hundred thirty-two".