238672686 has 32 divisors (see below), whose sum is σ = 546052608. Its totient is φ = 68127840.

The previous prime is 238672669. The next prime is 238672691. The reversal of 238672686 is 686276832.

It is a happy number.

Its product of digits (1161216) is a multiple of the sum of its prime divisors (5376).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 59071 + ... + 62981.

It is an arithmetic number, because the mean of its divisors is an integer number (17064144).

Almost surely, 2^238672686 is an apocalyptic number.

238672686 is an abundant number, since it is smaller than the sum of its proper divisors (307379922).

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

238672686 is a wasteful number, since it uses less digits than its factorization.

238672686 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5376.

The product of its digits is 1161216, while the sum is 48.

The square root of 238672686 is about 15449.0351155016. The cubic root of 238672686 is about 620.2987512695.

The spelling of 238672686 in words is "two hundred thirty-eight million, six hundred seventy-two thousand, six hundred eighty-six".