39912108 has 12 divisors (see below), whose sum is σ = 93128280. Its totient is φ = 13304032.

The previous prime is 39912079. The next prime is 39912109. The reversal of 39912108 is 80121993.

It is a tau number, because it is divible by the number of its divisors (12).

It is not an unprimeable number, because it can be changed into a prime (39912109) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1662993 + ... + 1663016.

It is an arithmetic number, because the mean of its divisors is an integer number (7760690).

Almost surely, 2^39912108 is an apocalyptic number.

It is an amenable number.

39912108 is an abundant number, since it is smaller than the sum of its proper divisors (53216172).

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

39912108 is a wasteful number, since it uses less digits than its factorization.

39912108 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3326016 (or 3326014 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 33.

The square root of 39912108 is about 6317.6030264650. The cubic root of 39912108 is about 341.7445169683.

The spelling of 39912108 in words is "thirty-nine million, nine hundred twelve thousand, one hundred eight".