3117609 has 20 divisors (see below), whose sum is σ = 5082000. Its totient is φ = 1888920.

The previous prime is 3117601. The next prime is 3117623. The reversal of 3117609 is 9067113.

3117609 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 3117609 - 2³ = 3117601 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Curzon number.

3117609 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (3117601) 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 19 ways as a sum of consecutive naturals, for example, 859 + ... + 2640.

It is an arithmetic number, because the mean of its divisors is an integer number (254100).

Almost surely, 2^3117609 is an apocalyptic number.

It is an amenable number.

3117609 is a deficient number, since it is larger than the sum of its proper divisors (1964391).

3117609 is a wasteful number, since it uses less digits than its factorization.

3117609 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3522 (or 3513 counting only the distinct ones).

The product of its (nonzero) digits is 1134, while the sum is 27.

The square root of 3117609 is about 1765.6752249494. The cubic root of 3117609 is about 146.0855350419.

The spelling of 3117609 in words is "three million, one hundred seventeen thousand, six hundred nine".