238738632 has 64 divisors (see below), whose sum is σ = 659404800. Its totient is φ = 71423040.

The previous prime is 238738609. The next prime is 238738639. The reversal of 238738632 is 236837832.

It is a super-2 number, since 2×238738632² = 113992268818462848, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (238738639) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15133 + ... + 26579.

It is an arithmetic number, because the mean of its divisors is an integer number (10303200).

Almost surely, 2^238738632 is an apocalyptic number.

238738632 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 238738632, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (329702400).

238738632 is an abundant number, since it is smaller than the sum of its proper divisors (420666168).

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

238738632 is a wasteful number, since it uses less digits than its factorization.

238738632 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11546 (or 11542 counting only the distinct ones).

The product of its digits is 290304, while the sum is 42.

The square root of 238738632 is about 15451.1692761422. The cubic root of 238738632 is about 620.3558761619.

The spelling of 238738632 in words is "two hundred thirty-eight million, seven hundred thirty-eight thousand, six hundred thirty-two".