865230942 has 16 divisors (see below), whose sum is σ = 1735105680. Its totient is φ = 287636352.

The previous prime is 865230917. The next prime is 865230973. The reversal of 865230942 is 249032568.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 865230942.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 191067 + ... + 195542.

It is an arithmetic number, because the mean of its divisors is an integer number (108444105).

Almost surely, 2^865230942 is an apocalyptic number.

865230942 is an abundant number, since it is smaller than the sum of its proper divisors (869874738).

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

865230942 is a wasteful number, since it uses less digits than its factorization.

865230942 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 386987.

The product of its (nonzero) digits is 103680, while the sum is 39.

The square root of 865230942 is about 29414.8082094716. The cubic root of 865230942 is about 952.8927310431.

The spelling of 865230942 in words is "eight hundred sixty-five million, two hundred thirty thousand, nine hundred forty-two".