238374642 has 32 divisors (see below), whose sum is σ = 520660224. Its totient is φ = 72155600.

The previous prime is 238374637. The next prime is 238374659. The reversal of 238374642 is 246473832.

It is a self number, because there is not a number n which added to its sum of digits gives 238374642.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 92917 + ... + 95447.

It is an arithmetic number, because the mean of its divisors is an integer number (16270632).

Almost surely, 2^238374642 is an apocalyptic number.

238374642 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

238374642 is an abundant number, since it is smaller than the sum of its proper divisors (282285582).

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

238374642 is a wasteful number, since it uses less digits than its factorization.

238374642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3974.

The product of its digits is 193536, while the sum is 39.

The square root of 238374642 is about 15439.3860629236. The cubic root of 238374642 is about 620.0404430781.

The spelling of 238374642 in words is "two hundred thirty-eight million, three hundred seventy-four thousand, six hundred forty-two".