3121344 has 42 divisors (see below), whose sum is σ = 8948420. Its totient is φ = 1040256.

The previous prime is 3121333. The next prime is 3121361. The reversal of 3121344 is 4431213.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a nude number because it is divisible by every one of its digits and also a Zuckerman number because it is divisible by the product of its digits.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2134 + ... + 3285.

Almost surely, 2^3121344 is an apocalyptic number.

It is an amenable number.

3121344 is an abundant number, since it is smaller than the sum of its proper divisors (5827076).

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

3121344 is a wasteful number, since it uses less digits than its factorization.

3121344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5437 (or 5424 counting only the distinct ones).

The product of its digits is 288, while the sum is 18.

The square root of 3121344 is about 1766.7325773869. The cubic root of 3121344 is about 146.1438502149.

Adding to 3121344 its reverse (4431213), we get a palindrome (7552557).

The spelling of 3121344 in words is "three million, one hundred twenty-one thousand, three hundred forty-four".