3890904904 has 16 divisors (see below), whose sum is σ = 7492621500. Its totient is φ = 1892872512.

The previous prime is 3890904893. The next prime is 3890904907. The reversal of 3890904904 is 4094090983.

It can be written as a sum of positive squares in 2 ways, for example, as 3790864900 + 100040004 = 61570^2 + 10002^2 .

It is not an unprimeable number, because it can be changed into a prime (3890904907) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6572179 + ... + 6572770.

Almost surely, 2^3890904904 is an apocalyptic number.

It is an amenable number.

3890904904 is a deficient number, since it is larger than the sum of its proper divisors (3601716596).

3890904904 is a wasteful number, since it uses less digits than its factorization.

3890904904 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13144992 (or 13144988 counting only the distinct ones).

The product of its (nonzero) digits is 279936, while the sum is 46.

The square root of 3890904904 is about 62377.1184329639. The cubic root of 3890904904 is about 1572.8363543719.

The spelling of 3890904904 in words is "three billion, eight hundred ninety million, nine hundred four thousand, nine hundred four".