39906104 has 32 divisors (see below), whose sum is σ = 89233920. Its totient is φ = 16358496.

The previous prime is 39906077. The next prime is 39906121. The reversal of 39906104 is 40160993.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14204 + ... + 16779.

It is an arithmetic number, because the mean of its divisors is an integer number (2788560).

Almost surely, 2^39906104 is an apocalyptic number.

It is an amenable number.

39906104 is an abundant number, since it is smaller than the sum of its proper divisors (49327816).

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

39906104 is a wasteful number, since it uses less digits than its factorization.

39906104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31019 (or 31015 counting only the distinct ones).

The product of its (nonzero) digits is 5832, while the sum is 32.

The square root of 39906104 is about 6317.1278283726. The cubic root of 39906104 is about 341.7273798381.

The spelling of 39906104 in words is "thirty-nine million, nine hundred six thousand, one hundred four".