3121444 has 24 divisors (see below), whose sum is σ = 5745600. Its totient is φ = 1481760.

The previous prime is 3121441. The next prime is 3121457. The reversal of 3121444 is 4441213.

It is not an unprimeable number, because it can be changed into a prime (3121441) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8047 + ... + 8425.

It is an arithmetic number, because the mean of its divisors is an integer number (239400).

Almost surely, 2^3121444 is an apocalyptic number.

It is an amenable number.

3121444 is a deficient number, since it is larger than the sum of its proper divisors (2624156).

3121444 is a wasteful number, since it uses less digits than its factorization.

3121444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 483 (or 481 counting only the distinct ones).

The product of its digits is 384, while the sum is 19.

The square root of 3121444 is about 1766.7608779911. The cubic root of 3121444 is about 146.1454108918.

Adding to 3121444 its reverse (4441213), we get a palindrome (7562657).

The spelling of 3121444 in words is "three million, one hundred twenty-one thousand, four hundred forty-four".