3999896 has 16 divisors (see below), whose sum is σ = 7941240. Its totient is φ = 1882240.

The previous prime is 3999893. The next prime is 3999901. The reversal of 3999896 is 6989993.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3999893) 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, 14570 + ... + 14841.

Almost surely, 2^3999896 is an apocalyptic number.

It is an amenable number.

3999896 is a deficient number, since it is larger than the sum of its proper divisors (3941344).

3999896 is a wasteful number, since it uses less digits than its factorization.

3999896 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29434 (or 29430 counting only the distinct ones).

The product of its digits is 944784, while the sum is 53.

The square root of 3999896 is about 1999.9739998310. The cubic root of 3999896 is about 158.7387294373.

The spelling of 3999896 in words is "three million, nine hundred ninety-nine thousand, eight hundred ninety-six".