238989238 has 4 divisors (see below), whose sum is σ = 358483860. Its totient is φ = 119494618.

The previous prime is 238989211. The next prime is 238989241. The reversal of 238989238 is 832989832.

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

It is an alternating number because its digits alternate between even and odd.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 59747308 + ... + 59747311.

It is an arithmetic number, because the mean of its divisors is an integer number (89620965).

Almost surely, 2^238989238 is an apocalyptic number.

238989238 is a deficient number, since it is larger than the sum of its proper divisors (119494622).

238989238 is a wasteful number, since it uses less digits than its factorization.

238989238 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 119494621.

The product of its digits is 1492992, while the sum is 52.

The square root of 238989238 is about 15459.2767618670. The cubic root of 238989238 is about 620.5728645584.

The spelling of 238989238 in words is "two hundred thirty-eight million, nine hundred eighty-nine thousand, two hundred thirty-eight".