3390409 has 4 divisors (see below), whose sum is σ = 3698640. Its totient is φ = 3082180.

The previous prime is 3390391. The next prime is 3390427. The reversal of 3390409 is 9040933.

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.

It is an interprime number because it is at equal distance from previous prime (3390391) and next prime (3390427).

It is a cyclic number.

It is not a de Polignac number, because 3390409 - 2¹¹ = 3388361 is a prime.

It is a super-2 number, since 2×3390409² = 22989746374562, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (3390479) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 154099 + ... + 154120.

It is an arithmetic number, because the mean of its divisors is an integer number (924660).

Almost surely, 2^3390409 is an apocalyptic number.

It is an amenable number.

3390409 is a deficient number, since it is larger than the sum of its proper divisors (308231).

3390409 is a wasteful number, since it uses less digits than its factorization.

3390409 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 308230.

The product of its (nonzero) digits is 2916, while the sum is 28.

The square root of 3390409 is about 1841.3063297561. The cubic root of 3390409 is about 150.2279349438.

The spelling of 3390409 in words is "three million, three hundred ninety thousand, four hundred nine".