238640196 has 24 divisors (see below), whose sum is σ = 569777824. Its totient is φ = 77696640.

The previous prime is 238640173. The next prime is 238640221. The reversal of 238640196 is 691046832.

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 230725 + ... + 231756.

Almost surely, 2^238640196 is an apocalyptic number.

It is an amenable number.

238640196 is an abundant number, since it is smaller than the sum of its proper divisors (331137628).

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

238640196 is a wasteful number, since it uses less digits than its factorization.

238640196 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 462531 (or 462529 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 39.

The square root of 238640196 is about 15447.9835577334. The cubic root of 238640196 is about 620.2706033468.

The spelling of 238640196 in words is "two hundred thirty-eight million, six hundred forty thousand, one hundred ninety-six".