3128944 has 60 divisors (see below), whose sum is σ = 7619304. Its totient is φ = 1233792.

The previous prime is 3128941. The next prime is 3128987. The reversal of 3128944 is 4498213.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3128941) 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, 10039 + ... + 10345.

Almost surely, 2^3128944 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 3128944, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3809652).

3128944 is an abundant number, since it is smaller than the sum of its proper divisors (4490360).

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

3128944 is a wasteful number, since it uses less digits than its factorization.

3128944 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 342 (or 329 counting only the distinct ones).

The product of its digits is 6912, while the sum is 31.

The square root of 3128944 is about 1768.8821328738. The cubic root of 3128944 is about 146.2623667922.

The spelling of 3128944 in words is "three million, one hundred twenty-eight thousand, nine hundred forty-four".