3900579894 has 32 divisors (see below), whose sum is σ = 8721152640. Its totient is φ = 1292213736.

The previous prime is 3900579887. The next prime is 3900579931. The reversal of 3900579894 is 4989750093.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 3900579894.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 212772 + ... + 230375.

It is an arithmetic number, because the mean of its divisors is an integer number (272536020).

Almost surely, 2^3900579894 is an apocalyptic number.

3900579894 is an abundant number, since it is smaller than the sum of its proper divisors (4820572746).

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

3900579894 is a wasteful number, since it uses less digits than its factorization.

3900579894 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 443321 (or 443315 counting only the distinct ones).

The product of its (nonzero) digits is 2449440, while the sum is 54.

The square root of 3900579894 is about 62454.6226791900. The cubic root of 3900579894 is about 1574.1389288745.

The spelling of 3900579894 in words is "three billion, nine hundred million, five hundred seventy-nine thousand, eight hundred ninety-four".