238688230 has 64 divisors (see below), whose sum is σ = 480660480. Its totient is φ = 85319520.

The previous prime is 238688209. The next prime is 238688249. The reversal of 238688230 is 32886832.

It is a super-2 number, since 2×238688230² = 113944142281065800, which contains 22 as substring.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1051377 + ... + 1051603.

It is an arithmetic number, because the mean of its divisors is an integer number (7510320).

Almost surely, 2^238688230 is an apocalyptic number.

238688230 is an abundant number, since it is smaller than the sum of its proper divisors (241972250).

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

238688230 is a wasteful number, since it uses less digits than its factorization.

238688230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 346 (or 324 counting only the distinct ones).

The product of its (nonzero) digits is 110592, while the sum is 40.

The square root of 238688230 is about 15449.5381808001. The cubic root of 238688230 is about 620.3122170116.

The spelling of 238688230 in words is "two hundred thirty-eight million, six hundred eighty-eight thousand, two hundred thirty".