238913656 has 16 divisors (see below), whose sum is σ = 455556600. Its totient is φ = 117431904.

The previous prime is 238913611. The next prime is 238913681. The reversal of 238913656 is 656319832.

238913656 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 252615 + ... + 253558.

Almost surely, 2^238913656 is an apocalyptic number.

It is an amenable number.

238913656 is a deficient number, since it is larger than the sum of its proper divisors (216642944).

238913656 is a wasteful number, since it uses less digits than its factorization.

238913656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 506238 (or 506234 counting only the distinct ones).

The product of its digits is 233280, while the sum is 43.

The square root of 238913656 is about 15456.8320169432. The cubic root of 238913656 is about 620.5074375067.

The spelling of 238913656 in words is "two hundred thirty-eight million, nine hundred thirteen thousand, six hundred fifty-six".