238522928 has 40 divisors (see below), whose sum is σ = 545203200. Its totient is φ = 98925120.

The previous prime is 238522919. The next prime is 238522931. The reversal of 238522928 is 829225832.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30878 + ... + 37821.

It is an arithmetic number, because the mean of its divisors is an integer number (13630080).

Almost surely, 2^238522928 is an apocalyptic number.

238522928 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

238522928 is an abundant number, since it is smaller than the sum of its proper divisors (306680272).

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

238522928 is a wasteful number, since it uses less digits than its factorization.

238522928 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68745 (or 68739 counting only the distinct ones).

The product of its digits is 138240, while the sum is 41.

The square root of 238522928 is about 15444.1875150491. The cubic root of 238522928 is about 620.1689861953.

The spelling of 238522928 in words is "two hundred thirty-eight million, five hundred twenty-two thousand, nine hundred twenty-eight".