238392528 has 80 divisors (see below), whose sum is σ = 695044800. Its totient is φ = 69744640.

The previous prime is 238392481. The next prime is 238392541. The reversal of 238392528 is 825293832.

It is a self number, because there is not a number n which added to its sum of digits gives 238392528.

It is a congruent number.

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 15 ways as a sum of consecutive naturals, for example, 7528 + ... + 23096.

It is an arithmetic number, because the mean of its divisors is an integer number (8688060).

Almost surely, 2^238392528 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 238392528, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (347522400).

238392528 is an abundant number, since it is smaller than the sum of its proper divisors (456652272).

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

238392528 is a wasteful number, since it uses less digits than its factorization.

238392528 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15620 (or 15614 counting only the distinct ones).

The product of its digits is 207360, while the sum is 42.

The square root of 238392528 is about 15439.9652849351. The cubic root of 238392528 is about 620.0559505525.

The spelling of 238392528 in words is "two hundred thirty-eight million, three hundred ninety-two thousand, five hundred twenty-eight".