238904120 has 64 divisors (see below), whose sum is σ = 661590720. Its totient is φ = 75608064.

The previous prime is 238904101. The next prime is 238904123. The reversal of 238904120 is 21409832.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (238904123) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 29177 + ... + 36456.

It is an arithmetic number, because the mean of its divisors is an integer number (10337355).

Almost surely, 2^238904120 is an apocalyptic number.

238904120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

238904120 is an abundant number, since it is smaller than the sum of its proper divisors (422686600).

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

238904120 is a wasteful number, since it uses less digits than its factorization.

238904120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65664 (or 65660 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 29.

The square root of 238904120 is about 15456.5235418577. The cubic root of 238904120 is about 620.4991817519.

The spelling of 238904120 in words is "two hundred thirty-eight million, nine hundred four thousand, one hundred twenty".