3390509 has 4 divisors (see below), whose sum is σ = 3422304. Its totient is φ = 3358716.

The previous prime is 3390479. The next prime is 3390523. The reversal of 3390509 is 9050933.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 9050933 = 443 ⋅20431.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3390509 is a prime.

It is a super-2 number, since 2×3390509² = 22991102558162, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3390529) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15737 + ... + 15950.

It is an arithmetic number, because the mean of its divisors is an integer number (855576).

Almost surely, 2^3390509 is an apocalyptic number.

It is an amenable number.

3390509 is a deficient number, since it is larger than the sum of its proper divisors (31795).

3390509 is a wasteful number, since it uses less digits than its factorization.

3390509 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31794.

The product of its (nonzero) digits is 3645, while the sum is 29.

The square root of 3390509 is about 1841.3334841902. Note that the first 3 decimals coincide. The cubic root of 3390509 is about 150.2294119186.

The spelling of 3390509 in words is "three million, three hundred ninety thousand, five hundred nine".