238530902 has 16 divisors (see below), whose sum is σ = 380290560. Its totient is φ = 111889512.

The previous prime is 238530871. The next prime is 238530917. The reversal of 238530902 is 209035832.

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, 26558 + ... + 34385.

It is an arithmetic number, because the mean of its divisors is an integer number (23768160).

Almost surely, 2^238530902 is an apocalyptic number.

238530902 is a deficient number, since it is larger than the sum of its proper divisors (141759658).

238530902 is a wasteful number, since it uses less digits than its factorization.

238530902 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61067.

The product of its (nonzero) digits is 12960, while the sum is 32.

The square root of 238530902 is about 15444.4456682653. The cubic root of 238530902 is about 620.1758970227.

The spelling of 238530902 in words is "two hundred thirty-eight million, five hundred thirty thousand, nine hundred two".