3165409 has 8 divisors (see below), whose sum is σ = 3467520. Its totient is φ = 2871696.

The previous prime is 3165397. The next prime is 3165427. The reversal of 3165409 is 9045613.

3165409 = 202² + 203² + ... + 260².

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 3165409 - 2⁵ = 3165377 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3165439) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1297 + ... + 2830.

It is an arithmetic number, because the mean of its divisors is an integer number (433440).

Almost surely, 2^3165409 is an apocalyptic number.

It is an amenable number.

3165409 is a deficient number, since it is larger than the sum of its proper divisors (302111).

3165409 is a wasteful number, since it uses less digits than its factorization.

3165409 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4199.

The product of its (nonzero) digits is 3240, while the sum is 28.

The square root of 3165409 is about 1779.1596330852. The cubic root of 3165409 is about 146.8283587530.

The spelling of 3165409 in words is "three million, one hundred sixty-five thousand, four hundred nine".