65390922 has 32 divisors (see below), whose sum is σ = 146390400. Its totient is φ = 21635424.

The previous prime is 65390887. The next prime is 65390933. The reversal of 65390922 is 22909356.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2979 + ... + 11817.

It is an arithmetic number, because the mean of its divisors is an integer number (4574700).

Almost surely, 2^65390922 is an apocalyptic number.

65390922 is an abundant number, since it is smaller than the sum of its proper divisors (80999478).

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

65390922 is a wasteful number, since it uses less digits than its factorization.

65390922 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8987 (or 8981 counting only the distinct ones).

The product of its (nonzero) digits is 29160, while the sum is 36.

The square root of 65390922 is about 8086.4653588574. The cubic root of 65390922 is about 402.8770115661.

The spelling of 65390922 in words is "sixty-five million, three hundred ninety thousand, nine hundred twenty-two".