3109344 has 72 divisors (see below), whose sum is σ = 9508968. Its totient is φ = 887040.

The previous prime is 3109343. The next prime is 3109349. The reversal of 3109344 is 4439013.

It is a super-2 number, since 2×3109344² = 19336040220672, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3109343) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4374 + ... + 5034.

It is an arithmetic number, because the mean of its divisors is an integer number (132069).

Almost surely, 2^3109344 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3109344, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4754484).

3109344 is an abundant number, since it is smaller than the sum of its proper divisors (6399624).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3109344 is a wasteful number, since it uses less digits than its factorization.

3109344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 688 (or 673 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 24.

The square root of 3109344 is about 1763.3332073094. Note that the first 3 decimals coincide. The cubic root of 3109344 is about 145.9563264629.

The spelling of 3109344 in words is "three million, one hundred nine thousand, three hundred forty-four".