3904207663 has 4 divisors (see below), whose sum is σ = 3927586320. Its totient is φ = 3880829008.

The previous prime is 3904207651. The next prime is 3904207717. The reversal of 3904207663 is 3667024093.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3904207663 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3904207633) 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, 11689078 + ... + 11689411.

It is an arithmetic number, because the mean of its divisors is an integer number (981896580).

Almost surely, 2^3904207663 is an apocalyptic number.

3904207663 is a deficient number, since it is larger than the sum of its proper divisors (23378657).

3904207663 is a wasteful number, since it uses less digits than its factorization.

3904207663 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23378656.

The product of its (nonzero) digits is 163296, while the sum is 40.

The square root of 3904207663 is about 62483.6591678176. The cubic root of 3904207663 is about 1574.6267916261.

The spelling of 3904207663 in words is "three billion, nine hundred four million, two hundred seven thousand, six hundred sixty-three".