238039912 has 24 divisors (see below), whose sum is σ = 490590450. Its totient is φ = 108199520.

The previous prime is 238039909. The next prime is 238039957. The reversal of 238039912 is 219930832.

It can be written as a sum of positive squares in only one way, i.e., 221831236 + 16208676 = 14894^2 + 4026^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 121987 + ... + 123922.

Almost surely, 2^238039912 is an apocalyptic number.

238039912 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

238039912 is an abundant number, since it is smaller than the sum of its proper divisors (252550538).

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

238039912 is a wasteful number, since it uses less digits than its factorization.

238039912 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 245937 (or 245922 counting only the distinct ones).

The product of its (nonzero) digits is 23328, while the sum is 37.

The square root of 238039912 is about 15428.5421216653. The cubic root of 238039912 is about 619.7500831104.

The spelling of 238039912 in words is "two hundred thirty-eight million, thirty-nine thousand, nine hundred twelve".