865092940 has 24 divisors (see below), whose sum is σ = 1923560352. Its totient is φ = 325681920.

The previous prime is 865092931. The next prime is 865092973. The reversal of 865092940 is 49290568.

It is a hoax number, since the sum of its digits (43) coincides with the sum of the digits of its distinct prime factors.

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, 1271856 + ... + 1272535.

It is an arithmetic number, because the mean of its divisors is an integer number (80148348).

Almost surely, 2^865092940 is an apocalyptic number.

It is an amenable number.

865092940 is an abundant number, since it is smaller than the sum of its proper divisors (1058467412).

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

865092940 is a wasteful number, since it uses less digits than its factorization.

865092940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2544417 (or 2544415 counting only the distinct ones).

The product of its (nonzero) digits is 155520, while the sum is 43.

The square root of 865092940 is about 29412.4623246678. The cubic root of 865092940 is about 952.8420670765.

The spelling of 865092940 in words is "eight hundred sixty-five million, ninety-two thousand, nine hundred forty".