31696092 has 72 divisors (see below), whose sum is σ = 86211216. Its totient is φ = 9782784.

The previous prime is 31696073. The next prime is 31696097. The reversal of 31696092 is 29069613.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31696097) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 40618 + ... + 41390.

It is an arithmetic number, because the mean of its divisors is an integer number (1197378).

Almost surely, 2^31696092 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 31696092, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (43105608).

31696092 is an abundant number, since it is smaller than the sum of its proper divisors (54515124).

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

31696092 is a wasteful number, since it uses less digits than its factorization.

31696092 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 867 (or 862 counting only the distinct ones).

The product of its (nonzero) digits is 17496, while the sum is 36.

The square root of 31696092 is about 5629.9282411057. The cubic root of 31696092 is about 316.4719620573.

It can be divided in two parts, 3169 and 6092, that added together give a cube (9261 = 21³).

The spelling of 31696092 in words is "thirty-one million, six hundred ninety-six thousand, ninety-two".