3390309 has 24 divisors (see below), whose sum is σ = 5446080. Its totient is φ = 2083536.

The previous prime is 3390307. The next prime is 3390323. The reversal of 3390309 is 9030933.

It is not a de Polignac number, because 3390309 - 2¹ = 3390307 is a prime.

It is a super-2 number, since 2×3390309² = 22988390230962, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3390307) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4192 + ... + 4934.

It is an arithmetic number, because the mean of its divisors is an integer number (226920).

Almost surely, 2^3390309 is an apocalyptic number.

3390309 is a gapful number since it is divisible by the number (39) formed by its first and last digit.

It is an amenable number.

3390309 is a deficient number, since it is larger than the sum of its proper divisors (2055771).

3390309 is a wasteful number, since it uses less digits than its factorization.

3390309 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 778 (or 759 counting only the distinct ones).

The product of its (nonzero) digits is 2187, while the sum is 27.

The square root of 3390309 is about 1841.2791749216. The cubic root of 3390309 is about 150.2264579400.

The spelling of 3390309 in words is "three million, three hundred ninety thousand, three hundred nine".