925920438 has 16 divisors (see below), whose sum is σ = 1855649280. Its totient is φ = 308005416.

The previous prime is 925920427. The next prime is 925920461. The reversal of 925920438 is 834029529.

It is a super-2 number, since 2×925920438² = 1714657315012223688, which contains 22 as substring.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 925920438.

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, 155518 + ... + 161361.

It is an arithmetic number, because the mean of its divisors is an integer number (115978080).

Almost surely, 2^925920438 is an apocalyptic number.

925920438 is an abundant number, since it is smaller than the sum of its proper divisors (929728842).

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

925920438 is a wasteful number, since it uses less digits than its factorization.

925920438 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 317371.

The product of its (nonzero) digits is 155520, while the sum is 42.

The square root of 925920438 is about 30428.9407965509. The cubic root of 925920438 is about 974.6706537854.

The spelling of 925920438 in words is "nine hundred twenty-five million, nine hundred twenty thousand, four hundred thirty-eight".