3996908637 has 8 divisors (see below), whose sum is σ = 5330938080. Its totient is φ = 2663742480.

The previous prime is 3996908599. The next prime is 3996908659. The reversal of 3996908637 is 7368096993.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 3996908637 - 2²⁸ = 3728473181 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3996908537) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 204939 + ... + 223592.

It is an arithmetic number, because the mean of its divisors is an integer number (666367260).

Almost surely, 2^3996908637 is an apocalyptic number.

It is an amenable number.

3996908637 is a deficient number, since it is larger than the sum of its proper divisors (1334029443).

3996908637 is a wasteful number, since it uses less digits than its factorization.

3996908637 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 431643.

The product of its (nonzero) digits is 13226976, while the sum is 60.

The square root of 3996908637 is about 63221.1091092208. The cubic root of 3996908637 is about 1586.9920105023.

The spelling of 3996908637 in words is "three billion, nine hundred ninety-six million, nine hundred eight thousand, six hundred thirty-seven".