31694004 has 48 divisors (see below), whose sum is σ = 83207040. Its totient is φ = 10561752.

The previous prime is 31693969. The next prime is 31694041. The reversal of 31694004 is 40049613.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6937 + ... + 10559.

It is an arithmetic number, because the mean of its divisors is an integer number (1733480).

Almost surely, 2^31694004 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 31694004, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (41603520).

31694004 is an abundant number, since it is smaller than the sum of its proper divisors (51513036).

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

31694004 is an equidigital number, since it uses as much as digits as its factorization.

31694004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3648 (or 3628 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 27.

The square root of 31694004 is about 5629.7428005194. The cubic root of 31694004 is about 316.4650126415.

The spelling of 31694004 in words is "thirty-one million, six hundred ninety-four thousand, four".