3999339 has 12 divisors (see below), whose sum is σ = 5832216. Its totient is φ = 2640672.

The previous prime is 3999337. The next prime is 3999379. The reversal of 3999339 is 9339993.

It is not a de Polignac number, because 3999339 - 2¹ = 3999337 is a prime.

It is a nude number because it is divisible by every one of its digits.

It is a junction number, because it is equal to n+sod(n) for n = 3999294 and 3999303.

It is not an unprimeable number, because it can be changed into a prime (3999337) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1114 + ... + 3039.

It is an arithmetic number, because the mean of its divisors is an integer number (486018).

Almost surely, 2^3999339 is an apocalyptic number.

3999339 is a deficient number, since it is larger than the sum of its proper divisors (1832877).

3999339 is a wasteful number, since it uses less digits than its factorization.

3999339 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4266 (or 4263 counting only the distinct ones).

The product of its digits is 177147, while the sum is 45.

The square root of 3999339 is about 1999.8347431725. The cubic root of 3999339 is about 158.7313607810.

The spelling of 3999339 in words is "three million, nine hundred ninety-nine thousand, three hundred thirty-nine".