238908812 has 12 divisors (see below), whose sum is σ = 440095320. Its totient is φ = 113167296.

The previous prime is 238908773. The next prime is 238908827. The reversal of 238908812 is 218809832.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 238908812.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1571693 + ... + 1571844.

It is an arithmetic number, because the mean of its divisors is an integer number (36674610).

Almost surely, 2^238908812 is an apocalyptic number.

It is an amenable number.

238908812 is a deficient number, since it is larger than the sum of its proper divisors (201186508).

238908812 is a wasteful number, since it uses less digits than its factorization.

238908812 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3143560 (or 3143558 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 41.

The square root of 238908812 is about 15456.6753216854. The cubic root of 238908812 is about 620.5032438600.

The spelling of 238908812 in words is "two hundred thirty-eight million, nine hundred eight thousand, eight hundred twelve".