39390108 has 12 divisors (see below), whose sum is σ = 91910280. Its totient is φ = 13130032.

The previous prime is 39389989. The next prime is 39390167. The reversal of 39390108 is 80109393.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1641243 + ... + 1641266.

It is an arithmetic number, because the mean of its divisors is an integer number (7659190).

Almost surely, 2^39390108 is an apocalyptic number.

It is an amenable number.

39390108 is an abundant number, since it is smaller than the sum of its proper divisors (52520172).

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

39390108 is a wasteful number, since it uses less digits than its factorization.

39390108 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3282516 (or 3282514 counting only the distinct ones).

The product of its (nonzero) digits is 5832, while the sum is 33.

The square root of 39390108 is about 6276.1539178067. The cubic root of 39390108 is about 340.2481118629.

The spelling of 39390108 in words is "thirty-nine million, three hundred ninety thousand, one hundred eight".