88631 has 4 divisors (see below), whose sum is σ = 89232. Its totient is φ = 88032.

The previous prime is 88609. The next prime is 88643. The reversal of 88631 is 13688.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-88631 is a prime.

It is a super-2 number, since 2×88631² = 15710908322, which contains 22 as substring.

It is a Duffinian number.

It is a nialpdrome in base 10.

It is a self number, because there is not a number n which added to its sum of digits gives 88631.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (88651) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 95 + ... + 431.

It is an arithmetic number, because the mean of its divisors is an integer number (22308).

2⁸⁸⁶³¹ is an apocalyptic number.

88631 is a deficient number, since it is larger than the sum of its proper divisors (601).

88631 is a wasteful number, since it uses less digits than its factorization.

88631 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 600.

The product of its digits is 1152, while the sum is 26.

The square root of 88631 is about 297.7095900370. The cubic root of 88631 is about 44.5856617023.

The spelling of 88631 in words is "eighty-eight thousand, six hundred thirty-one".