45931938 has 16 divisors (see below), whose sum is σ = 98930496. Its totient is φ = 14132880.

The previous prime is 45931903. The next prime is 45931967. The reversal of 45931938 is 83913954.

It is a self number, because there is not a number n which added to its sum of digits gives 45931938.

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, 294358 + ... + 294513.

It is an arithmetic number, because the mean of its divisors is an integer number (6183156).

Almost surely, 2^45931938 is an apocalyptic number.

45931938 is an abundant number, since it is smaller than the sum of its proper divisors (52998558).

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

45931938 is a wasteful number, since it uses less digits than its factorization.

45931938 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 588889.

The product of its digits is 116640, while the sum is 42.

The square root of 45931938 is about 6777.3105285209. The cubic root of 45931938 is about 358.1279829130.

The spelling of 45931938 in words is "forty-five million, nine hundred thirty-one thousand, nine hundred thirty-eight".