3900649560 has 32 divisors (see below), whose sum is σ = 11701949040. Its totient is φ = 1040173184.

The previous prime is 3900649549. The next prime is 3900649573. The reversal of 3900649560 is 659460093.

3900649560 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16252587 + ... + 16252826.

Almost surely, 2^3900649560 is an apocalyptic number.

3900649560 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

3900649560 is an abundant number, since it is smaller than the sum of its proper divisors (7801299480).

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

3900649560 is a wasteful number, since it uses less digits than its factorization.

3900649560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32505427 (or 32505423 counting only the distinct ones).

The product of its (nonzero) digits is 174960, while the sum is 42.

The square root of 3900649560 is about 62455.1804096346. The cubic root of 3900649560 is about 1574.1483004135.

The spelling of 3900649560 in words is "three billion, nine hundred million, six hundred forty-nine thousand, five hundred sixty".