3101609 has 16 divisors (see below), whose sum is σ = 3701376. Its totient is φ = 2544000.

The previous prime is 3101597. The next prime is 3101611. The reversal of 3101609 is 9061013.

It is a cyclic number.

It is not a de Polignac number, because 3101609 - 2⁸ = 3101353 is a prime.

It is not an unprimeable number, because it can be changed into a prime (3101629) 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 15 ways as a sum of consecutive naturals, for example, 28934 + ... + 29040.

It is an arithmetic number, because the mean of its divisors is an integer number (231336).

Almost surely, 2^3101609 is an apocalyptic number.

It is an amenable number.

3101609 is a deficient number, since it is larger than the sum of its proper divisors (599767).

3101609 is a wasteful number, since it uses less digits than its factorization.

3101609 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 256.

The product of its (nonzero) digits is 162, while the sum is 20.

The square root of 3101609 is about 1761.1385521872. The cubic root of 3101609 is about 145.8351959127.

The spelling of 3101609 in words is "three million, one hundred one thousand, six hundred nine".