238813764 has 24 divisors (see below), whose sum is σ = 636836928. Its totient is φ = 68232480.

The previous prime is 238813747. The next prime is 238813847. The reversal of 238813764 is 467318832.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1421427 + ... + 1421594.

It is an arithmetic number, because the mean of its divisors is an integer number (26534872).

Almost surely, 2^238813764 is an apocalyptic number.

It is an amenable number.

238813764 is an abundant number, since it is smaller than the sum of its proper divisors (398023164).

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

238813764 is a wasteful number, since it uses less digits than its factorization.

238813764 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2843035 (or 2843033 counting only the distinct ones).

The product of its digits is 193536, while the sum is 42.

The square root of 238813764 is about 15453.6003571983. The cubic root of 238813764 is about 620.4209454930.

The spelling of 238813764 in words is "two hundred thirty-eight million, eight hundred thirteen thousand, seven hundred sixty-four".