238493660 has 24 divisors (see below), whose sum is σ = 502752096. Its totient is φ = 95032640.

The previous prime is 238493659. The next prime is 238493677. The reversal of 238493660 is 66394832.

It is a congruent number.

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, 17411 + ... + 27930.

It is an arithmetic number, because the mean of its divisors is an integer number (20948004).

Almost surely, 2^238493660 is an apocalyptic number.

238493660 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

238493660 is an abundant number, since it is smaller than the sum of its proper divisors (264258436).

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

238493660 is a wasteful number, since it uses less digits than its factorization.

238493660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45613 (or 45611 counting only the distinct ones).

The product of its (nonzero) digits is 186624, while the sum is 41.

The square root of 238493660 is about 15443.2399450374. The cubic root of 238493660 is about 620.1436191743.

The spelling of 238493660 in words is "two hundred thirty-eight million, four hundred ninety-three thousand, six hundred sixty".