3109641 has 16 divisors (see below), whose sum is σ = 4431360. Its totient is φ = 1935360.

The previous prime is 3109637. The next prime is 3109649. The reversal of 3109641 is 1469013.

It is not a de Polignac number, because 3109641 - 2² = 3109637 is a prime.

It is not an unprimeable number, because it can be changed into a prime (3109649) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2121 + ... + 3273.

It is an arithmetic number, because the mean of its divisors is an integer number (276960).

Almost surely, 2^3109641 is an apocalyptic number.

3109641 is a gapful number since it is divisible by the number (31) formed by its first and last digit.

It is an amenable number.

3109641 is a deficient number, since it is larger than the sum of its proper divisors (1321719).

3109641 is a wasteful number, since it uses less digits than its factorization.

3109641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1216.

The product of its (nonzero) digits is 648, while the sum is 24.

The square root of 3109641 is about 1763.4174208054. The cubic root of 3109641 is about 145.9609734934.

The spelling of 3109641 in words is "three million, one hundred nine thousand, six hundred forty-one".