238232646 has 12 divisors (see below), whose sum is σ = 516170772. Its totient is φ = 79410876.

The previous prime is 238232629. The next prime is 238232663. The reversal of 238232646 is 646232832.

238232646 is a `hidden beast` number, since 2 + 3 + 8 + 2 + 3 + 2 + 646 = 666.

It is an interprime number because it is at equal distance from previous prime (238232629) and next prime (238232663).

It is a super-2 number, since 2×238232646² = 113509587240322632, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 238232646.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6617556 + ... + 6617591.

It is an arithmetic number, because the mean of its divisors is an integer number (43014231).

Almost surely, 2^238232646 is an apocalyptic number.

238232646 is an abundant number, since it is smaller than the sum of its proper divisors (277938126).

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

238232646 is a wasteful number, since it uses less digits than its factorization.

238232646 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13235155 (or 13235152 counting only the distinct ones).

The product of its digits is 82944, while the sum is 36.

The square root of 238232646 is about 15434.7868789951. The cubic root of 238232646 is about 619.9173025323.

The spelling of 238232646 in words is "two hundred thirty-eight million, two hundred thirty-two thousand, six hundred forty-six".