3999344 has 20 divisors (see below), whose sum is σ = 7930296. Its totient is φ = 1952832.

The previous prime is 3999337. The next prime is 3999379. The reversal of 3999344 is 4439993.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2219 + ... + 3594.

Almost surely, 2^3999344 is an apocalyptic number.

It is an amenable number.

3999344 is a deficient number, since it is larger than the sum of its proper divisors (3930952).

3999344 is a wasteful number, since it uses less digits than its factorization.

3999344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5864 (or 5858 counting only the distinct ones).

The product of its digits is 104976, while the sum is 41.

The square root of 3999344 is about 1999.8359932754. The cubic root of 3999344 is about 158.7314269300.

The spelling of 3999344 in words is "three million, nine hundred ninety-nine thousand, three hundred forty-four".