238485864 has 16 divisors (see below), whose sum is σ = 596214720. Its totient is φ = 79495280.

The previous prime is 238485859. The next prime is 238485887. The reversal of 238485864 is 468584832.

238485864 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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, 4968432 + ... + 4968479.

It is an arithmetic number, because the mean of its divisors is an integer number (37263420).

Almost surely, 2^238485864 is an apocalyptic number.

238485864 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

238485864 is an abundant number, since it is smaller than the sum of its proper divisors (357728856).

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

238485864 is a wasteful number, since it uses less digits than its factorization.

238485864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9936920 (or 9936916 counting only the distinct ones).

The product of its digits is 1474560, while the sum is 48.

The square root of 238485864 is about 15442.9875348004. The cubic root of 238485864 is about 620.1368619124.

The spelling of 238485864 in words is "two hundred thirty-eight million, four hundred eighty-five thousand, eight hundred sixty-four".