238135904 has 12 divisors (see below), whose sum is σ = 468830124. Its totient is φ = 119067936.

The previous prime is 238135901. The next prime is 238135957. The reversal of 238135904 is 409531832.

238135904 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (238135901) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3720842 + ... + 3720905.

It is an arithmetic number, because the mean of its divisors is an integer number (39069177).

Almost surely, 2^238135904 is an apocalyptic number.

It is an amenable number.

238135904 is a deficient number, since it is larger than the sum of its proper divisors (230694220).

238135904 is an equidigital number, since it uses as much as digits as its factorization.

238135904 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7441757 (or 7441749 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 35.

The square root of 238135904 is about 15431.6526658683. The cubic root of 238135904 is about 619.8333787427.

The spelling of 238135904 in words is "two hundred thirty-eight million, one hundred thirty-five thousand, nine hundred four".