3393939 has 12 divisors (see below), whose sum is σ = 4645208. Its totient is φ = 2204160.

The previous prime is 3393893. The next prime is 3393959. The reversal of 3393939 is 9393933.

It is not a de Polignac number, because 3393939 - 2⁸ = 3393683 is a prime.

It is a Duffinian number.

3393939 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 3393897 and 3393906.

It is not an unprimeable number, because it can be changed into a prime (3393959) 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, 4707 + ... + 5379.

Almost surely, 2^3393939 is an apocalyptic number.

3393939 is a deficient number, since it is larger than the sum of its proper divisors (1251269).

3393939 is an equidigital number, since it uses as much as digits as its factorization.

3393939 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 758 (or 717 counting only the distinct ones).

The product of its digits is 59049, while the sum is 39.

The square root of 3393939 is about 1842.2646389702. The cubic root of 3393939 is about 150.2800545819.

It can be divided in two parts, 339 and 3939, that added together give a triangular number (4278 = T₉₂).

The spelling of 3393939 in words is "three million, three hundred ninety-three thousand, nine hundred thirty-nine".