3696409 has 16 divisors (see below), whose sum is σ = 4055040. Its totient is φ = 3361680.

The previous prime is 3696403. The next prime is 3696419. The reversal of 3696409 is 9046963.

3696409 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 3696409 - 2³ = 3696401 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3696401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 62622 + ... + 62680.

It is an arithmetic number, because the mean of its divisors is an integer number (253440).

Almost surely, 2^3696409 is an apocalyptic number.

It is an amenable number.

3696409 is a deficient number, since it is larger than the sum of its proper divisors (358631).

3696409 is a wasteful number, since it uses less digits than its factorization.

3696409 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 180.

The product of its (nonzero) digits is 34992, while the sum is 37.

The square root of 3696409 is about 1922.6047435706. The cubic root of 3696409 is about 154.6179839806.

The spelling of 3696409 in words is "three million, six hundred ninety-six thousand, four hundred nine".