3900389486 has 32 divisors (see below), whose sum is σ = 6720573888. Its totient is φ = 1663073280.

The previous prime is 3900389459. The next prime is 3900389533. The reversal of 3900389486 is 6849830093.

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, 3819656 + ... + 3820676.

It is an arithmetic number, because the mean of its divisors is an integer number (210017934).

Almost surely, 2^3900389486 is an apocalyptic number.

3900389486 is a deficient number, since it is larger than the sum of its proper divisors (2820184402).

3900389486 is a wasteful number, since it uses less digits than its factorization.

3900389486 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2156.

The product of its (nonzero) digits is 1119744, while the sum is 50.

The square root of 3900389486 is about 62453.0982898367. The cubic root of 3900389486 is about 1574.1133144334.

The spelling of 3900389486 in words is "three billion, nine hundred million, three hundred eighty-nine thousand, four hundred eighty-six".