31604094 has 24 divisors (see below), whose sum is σ = 71012760. Its totient is φ = 10534536.

The previous prime is 31604057. The next prime is 31604099. The reversal of 31604094 is 49040613.

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31604099) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 32029 + ... + 33000.

It is an arithmetic number, because the mean of its divisors is an integer number (2958865).

Almost surely, 2^31604094 is an apocalyptic number.

31604094 is an abundant number, since it is smaller than the sum of its proper divisors (39408666).

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

31604094 is an equidigital number, since it uses as much as digits as its factorization.

31604094 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65046 (or 65034 counting only the distinct ones).

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

The square root of 31604094 is about 5621.7518621867. The cubic root of 31604094 is about 316.1654784099.

The spelling of 31604094 in words is "thirty-one million, six hundred four thousand, ninety-four".