238979992 has 16 divisors (see below), whose sum is σ = 462542400. Its totient is φ = 115635360.

The previous prime is 238979989. The next prime is 238980017. The reversal of 238979992 is 299979832.

It is a super-2 number, since 2×238979992² = 114222873152640128, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 481567 + ... + 482062.

It is an arithmetic number, because the mean of its divisors is an integer number (28908900).

Almost surely, 2^238979992 is an apocalyptic number.

It is an amenable number.

238979992 is a deficient number, since it is larger than the sum of its proper divisors (223562408).

238979992 is a wasteful number, since it uses less digits than its factorization.

238979992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 963666 (or 963662 counting only the distinct ones).

The product of its digits is 4408992, while the sum is 58.

The square root of 238979992 is about 15458.9777152307. The cubic root of 238979992 is about 620.5648615611.

The spelling of 238979992 in words is "two hundred thirty-eight million, nine hundred seventy-nine thousand, nine hundred ninety-two".