3900390016 has 32 divisors (see below), whose sum is σ = 7776341280. Its totient is φ = 1948680960.

The previous prime is 3900390007. The next prime is 3900390029. The reversal of 3900390016 is 6100930093.

It is a tau number, because it is divible by the number of its divisors (32).

It is a self number, because there is not a number n which added to its sum of digits gives 3900390016.

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, 163831 + ... + 186121.

It is an arithmetic number, because the mean of its divisors is an integer number (243010665).

Almost surely, 2^3900390016 is an apocalyptic number.

It is an amenable number.

3900390016 is a deficient number, since it is larger than the sum of its proper divisors (3875951264).

3900390016 is a wasteful number, since it uses less digits than its factorization.

3900390016 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23672 (or 23660 counting only the distinct ones).

The product of its (nonzero) digits is 4374, while the sum is 31.

The square root of 3900390016 is about 62453.1025330207. The cubic root of 3900390016 is about 1574.1133857322.

The spelling of 3900390016 in words is "three billion, nine hundred million, three hundred ninety thousand, sixteen".