238442904 has 48 divisors (see below), whose sum is σ = 738039120. Its totient is φ = 68126400.

The previous prime is 238442903. The next prime is 238442933. The reversal of 238442904 is 409244832.

238442904 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (238442903) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 236047 + ... + 237054.

It is an arithmetic number, because the mean of its divisors is an integer number (15375815).

Almost surely, 2^238442904 is an apocalyptic number.

238442904 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

238442904 is an abundant number, since it is smaller than the sum of its proper divisors (499596216).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

238442904 is a wasteful number, since it uses less digits than its factorization.

238442904 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 473120 (or 473113 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 36.

The square root of 238442904 is about 15441.5965495800. The cubic root of 238442904 is about 620.0996232561.

The spelling of 238442904 in words is "two hundred thirty-eight million, four hundred forty-two thousand, nine hundred four".