238297392 has 120 divisors (see below), whose sum is σ = 706829760. Its totient is φ = 74736000.

The previous prime is 238297363. The next prime is 238297393. The reversal of 238297392 is 293792832.

238297392 is a `hidden beast` number, since 238 + 29 + 7 + 392 = 666.

It is not an unprimeable number, because it can be changed into a prime (238297393) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 686563 + ... + 686909.

It is an arithmetic number, because the mean of its divisors is an integer number (5890248).

Almost surely, 2^238297392 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 238297392, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (353414880).

238297392 is an abundant number, since it is smaller than the sum of its proper divisors (468532368).

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

238297392 is a wasteful number, since it uses less digits than its factorization.

238297392 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 631 (or 622 counting only the distinct ones).

The product of its digits is 326592, while the sum is 45.

The square root of 238297392 is about 15436.8841415617. The cubic root of 238297392 is about 619.9734570669.

The spelling of 238297392 in words is "two hundred thirty-eight million, two hundred ninety-seven thousand, three hundred ninety-two".