3309939 has 6 divisors (see below), whose sum is σ = 4781036. Its totient is φ = 2206620.

The previous prime is 3309923. The next prime is 3309961. The reversal of 3309939 is 9399033.

It is not a de Polignac number, because 3309939 - 2⁴ = 3309923 is a prime.

It is a Duffinian number.

3309939 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (3309919) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 183877 + ... + 183894.

Almost surely, 2^3309939 is an apocalyptic number.

3309939 is a deficient number, since it is larger than the sum of its proper divisors (1471097).

3309939 is a wasteful number, since it uses less digits than its factorization.

3309939 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 367777 (or 367774 counting only the distinct ones).

The product of its (nonzero) digits is 19683, while the sum is 36.

The square root of 3309939 is about 1819.3237754726. The cubic root of 3309939 is about 149.0298725445.

The spelling of 3309939 in words is "three million, three hundred nine thousand, nine hundred thirty-nine".