238664972 has 48 divisors (see below), whose sum is σ = 544299840. Its totient is φ = 88860672.

The previous prime is 238664969. The next prime is 238664999. The reversal of 238664972 is 279466832.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13097 + ... + 25472.

It is an arithmetic number, because the mean of its divisors is an integer number (11339580).

Almost surely, 2^238664972 is an apocalyptic number.

It is an amenable number.

238664972 is an abundant number, since it is smaller than the sum of its proper divisors (305634868).

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

238664972 is a wasteful number, since it uses less digits than its factorization.

238664972 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38610 (or 38608 counting only the distinct ones).

The product of its digits is 870912, while the sum is 47.

The square root of 238664972 is about 15448.7854538795. The cubic root of 238664972 is about 620.2920684267.

The spelling of 238664972 in words is "two hundred thirty-eight million, six hundred sixty-four thousand, nine hundred seventy-two".