88731 has 6 divisors (see below), whose sum is σ = 128180. Its totient is φ = 59148.

The previous prime is 88729. The next prime is 88741. The reversal of 88731 is 13788.

It is not a de Polignac number, because 88731 - 2¹ = 88729 is a prime.

It is a super-2 number, since 2×88731² = 15746380722, which contains 22 as substring.

It is a Duffinian number.

It is a plaindrome in base 14.

It is a nialpdrome in base 10.

It is a junction number, because it is equal to n+sod(n) for n = 88695 and 88704.

It is not an unprimeable number, because it can be changed into a prime (88721) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4921 + ... + 4938.

2⁸⁸⁷³¹ is an apocalyptic number.

88731 is a deficient number, since it is larger than the sum of its proper divisors (39449).

88731 is a wasteful number, since it uses less digits than its factorization.

88731 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9865 (or 9862 counting only the distinct ones).

The product of its digits is 1344, while the sum is 27.

The square root of 88731 is about 297.8774915968. The cubic root of 88731 is about 44.6024236720.

The spelling of 88731 in words is "eighty-eight thousand, seven hundred thirty-one".