238570642 has 4 divisors (see below), whose sum is σ = 357855966. Its totient is φ = 119285320.

The previous prime is 238570609. The next prime is 238570667. The reversal of 238570642 is 246075832.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 192071881 + 46498761 = 13859^2 + 6819^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 59642659 + ... + 59642662.

Almost surely, 2^238570642 is an apocalyptic number.

238570642 is a deficient number, since it is larger than the sum of its proper divisors (119285324).

238570642 is a wasteful number, since it uses less digits than its factorization.

238570642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 119285323.

The product of its (nonzero) digits is 80640, while the sum is 37.

The square root of 238570642 is about 15445.7321613448. The cubic root of 238570642 is about 620.2103361965.

The spelling of 238570642 in words is "two hundred thirty-eight million, five hundred seventy thousand, six hundred forty-two".