238088631 has 32 divisors (see below), whose sum is σ = 353396736. Its totient is φ = 141372000.

The previous prime is 238088629. The next prime is 238088633. The reversal of 238088631 is 136880832.

It is an interprime number because it is at equal distance from previous prime (238088629) and next prime (238088633).

It is not a de Polignac number, because 238088631 - 2¹ = 238088629 is a prime.

It is a super-2 number, since 2×238088631² = 113372392422908322, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 238088631.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (238088633) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 719136 + ... + 719466.

It is an arithmetic number, because the mean of its divisors is an integer number (11043648).

Almost surely, 2^238088631 is an apocalyptic number.

238088631 is a deficient number, since it is larger than the sum of its proper divisors (115308105).

238088631 is a wasteful number, since it uses less digits than its factorization.

238088631 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 723.

The product of its (nonzero) digits is 55296, while the sum is 39.

The square root of 238088631 is about 15430.1209003689. The cubic root of 238088631 is about 619.7923610970.

The spelling of 238088631 in words is "two hundred thirty-eight million, eighty-eight thousand, six hundred thirty-one".