238204788 has 12 divisors (see below), whose sum is σ = 555811200. Its totient is φ = 79401592.

The previous prime is 238204783. The next prime is 238204807. The reversal of 238204788 is 887402832.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×238204788² = 113483042052249888, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (238204783) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9925188 + ... + 9925211.

It is an arithmetic number, because the mean of its divisors is an integer number (46317600).

Almost surely, 2^238204788 is an apocalyptic number.

It is an amenable number.

238204788 is an abundant number, since it is smaller than the sum of its proper divisors (317606412).

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

238204788 is a wasteful number, since it uses less digits than its factorization.

238204788 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19850406 (or 19850404 counting only the distinct ones).

The product of its (nonzero) digits is 172032, while the sum is 42.

The square root of 238204788 is about 15433.8844106077. The cubic root of 238204788 is about 619.8931380168.

The spelling of 238204788 in words is "two hundred thirty-eight million, two hundred four thousand, seven hundred eighty-eight".