3396409 has 4 divisors (see below), whose sum is σ = 3400180. Its totient is φ = 3392640.

The previous prime is 3396403. The next prime is 3396439. The reversal of 3396409 is 9046933.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 9046933 = 7 ⋅1292419.

It can be written as a sum of positive squares in 2 ways, for example, as 1357225 + 2039184 = 1165^2 + 1428^2 .

It is a cyclic number.

It is not a de Polignac number, because 3396409 - 2³ = 3396401 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3396401) 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, 349 + ... + 2629.

It is an arithmetic number, because the mean of its divisors is an integer number (850045).

Almost surely, 2^3396409 is an apocalyptic number.

It is an amenable number.

3396409 is a deficient number, since it is larger than the sum of its proper divisors (3771).

3396409 is a wasteful number, since it uses less digits than its factorization.

3396409 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3770.

The product of its (nonzero) digits is 17496, while the sum is 34.

The square root of 3396409 is about 1842.9348876181. The cubic root of 3396409 is about 150.3165020769.

The spelling of 3396409 in words is "three million, three hundred ninety-six thousand, four hundred nine".