238072992 has 24 divisors (see below), whose sum is σ = 624941856. Its totient is φ = 79357632.

The previous prime is 238072969. The next prime is 238072993. The reversal of 238072992 is 299270832.

It is a tau number, because it is divible by the number of its divisors (24).

It is not an unprimeable number, because it can be changed into a prime (238072993) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1239868 + ... + 1240059.

It is an arithmetic number, because the mean of its divisors is an integer number (26039244).

Almost surely, 2^238072992 is an apocalyptic number.

It is an amenable number.

238072992 is an abundant number, since it is smaller than the sum of its proper divisors (386868864).

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

238072992 is a wasteful number, since it uses less digits than its factorization.

238072992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2479940 (or 2479932 counting only the distinct ones).

The product of its (nonzero) digits is 108864, while the sum is 42.

The square root of 238072992 is about 15429.6141234964. The cubic root of 238072992 is about 619.7787903175.

The spelling of 238072992 in words is "two hundred thirty-eight million, seventy-two thousand, nine hundred ninety-two".