3999356 has 12 divisors (see below), whose sum is σ = 7025592. Its totient is φ = 1992048.

The previous prime is 3999337. The next prime is 3999379. The reversal of 3999356 is 6539993.

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, 635 + ... + 2898.

It is an arithmetic number, because the mean of its divisors is an integer number (585466).

Almost surely, 2^3999356 is an apocalyptic number.

It is an amenable number.

3999356 is a deficient number, since it is larger than the sum of its proper divisors (3026236).

3999356 is a wasteful number, since it uses less digits than its factorization.

3999356 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3820 (or 3818 counting only the distinct ones).

The product of its digits is 196830, while the sum is 44.

The square root of 3999356 is about 1999.8389935192. The cubic root of 3999356 is about 158.7315856873.

The spelling of 3999356 in words is "three million, nine hundred ninety-nine thousand, three hundred fifty-six".