238626057 has 8 divisors (see below), whose sum is σ = 322195840. Its totient is φ = 157070160.

The previous prime is 238626053. The next prime is 238626071. The reversal of 238626057 is 750626832.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 238626057 - 2² = 238626053 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (238626053) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 503194 + ... + 503667.

It is an arithmetic number, because the mean of its divisors is an integer number (40274480).

Almost surely, 2^238626057 is an apocalyptic number.

It is an amenable number.

238626057 is a deficient number, since it is larger than the sum of its proper divisors (83569783).

238626057 is a wasteful number, since it uses less digits than its factorization.

238626057 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1006943.

The product of its (nonzero) digits is 120960, while the sum is 39.

The square root of 238626057 is about 15447.5259184117. The cubic root of 238626057 is about 620.2583531344.

The spelling of 238626057 in words is "two hundred thirty-eight million, six hundred twenty-six thousand, fifty-seven".