3900390012 has 36 divisors (see below), whose sum is σ = 9861809776. Its totient is φ = 1299801600.

The previous prime is 3900390007. The next prime is 3900390029. The reversal of 3900390012 is 2100930093.

It is a tau number, because it is divible by the number of its divisors (36).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 161553 + ... + 184119.

Almost surely, 2^3900390012 is an apocalyptic number.

It is an amenable number.

3900390012 is an abundant number, since it is smaller than the sum of its proper divisors (5961419764).

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

3900390012 is a wasteful number, since it uses less digits than its factorization.

3900390012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27378 (or 27373 counting only the distinct ones).

The product of its (nonzero) digits is 1458, while the sum is 27.

The square root of 3900390012 is about 62453.1025009967. The cubic root of 3900390012 is about 1574.1133851941.

The spelling of 3900390012 in words is "three billion, nine hundred million, three hundred ninety thousand, twelve".