238568664 has 16 divisors (see below), whose sum is σ = 596421720. Its totient is φ = 79522880.

The previous prime is 238568647. The next prime is 238568689. The reversal of 238568664 is 466865832.

It is a congruent number.

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, 4970157 + ... + 4970204.

Almost surely, 2^238568664 is an apocalyptic number.

238568664 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

238568664 is an abundant number, since it is smaller than the sum of its proper divisors (357853056).

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

238568664 is a wasteful number, since it uses less digits than its factorization.

238568664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9940370 (or 9940366 counting only the distinct ones).

The product of its digits is 1658880, while the sum is 48.

The square root of 238568664 is about 15445.6681305795. The cubic root of 238568664 is about 620.2086221278.

The spelling of 238568664 in words is "two hundred thirty-eight million, five hundred sixty-eight thousand, six hundred sixty-four".