238925638 has 8 divisors (see below), whose sum is σ = 409586832. Its totient is φ = 102396696.

The previous prime is 238925623. The next prime is 238925651. The reversal of 238925638 is 836529832.

238925638 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

It is an alternating number because its digits alternate between even and odd.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8533045 + ... + 8533072.

It is an arithmetic number, because the mean of its divisors is an integer number (51198354).

Almost surely, 2^238925638 is an apocalyptic number.

238925638 is a deficient number, since it is larger than the sum of its proper divisors (170661194).

238925638 is a wasteful number, since it uses less digits than its factorization.

238925638 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17066126.

The product of its digits is 622080, while the sum is 46.

The square root of 238925638 is about 15457.2196076785. The cubic root of 238925638 is about 620.5178105649.

The spelling of 238925638 in words is "two hundred thirty-eight million, nine hundred twenty-five thousand, six hundred thirty-eight".