5231688 has 128 divisors (see below), whose sum is σ = 17280000. Its totient is φ = 1278720.

The previous prime is 5231671. The next prime is 5231701. The reversal of 5231688 is 8861325.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 35038 + ... + 35186.

It is an arithmetic number, because the mean of its divisors is an integer number (135000).

Almost surely, 2^5231688 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 5231688, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8640000).

5231688 is an abundant number, since it is smaller than the sum of its proper divisors (12048312).

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

5231688 is a wasteful number, since it uses less digits than its factorization.

5231688 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 195 (or 191 counting only the distinct ones).

The product of its digits is 11520, while the sum is 33.

The square root of 5231688 is about 2287.2883508644. The cubic root of 5231688 is about 173.5990238288.

It can be divided in two parts, 523 and 1688, that added together give a triangular number (2211 = T₆₆).

The spelling of 5231688 in words is "five million, two hundred thirty-one thousand, six hundred eighty-eight".