3100944 has 80 divisors (see below), whose sum is σ = 9999360. Its totient is φ = 804480.

The previous prime is 3100939. The next prime is 3100949. The reversal of 3100944 is 4490013.

It is an interprime number because it is at equal distance from previous prime (3100939) and next prime (3100949).

It is a super-2 number, since 2×3100944² = 19231707382272, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a self number, because there is not a number n which added to its sum of digits gives 3100944.

It is not an unprimeable number, because it can be changed into a prime (3100949) 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, 3277 + ... + 4115.

It is an arithmetic number, because the mean of its divisors is an integer number (124992).

Almost surely, 2^3100944 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 3100944, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4999680).

3100944 is an abundant number, since it is smaller than the sum of its proper divisors (6898416).

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

3100944 is a wasteful number, since it uses less digits than its factorization.

3100944 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 868 (or 862 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 21.

The square root of 3100944 is about 1760.9497437463. The cubic root of 3100944 is about 145.8247725768.

Adding to 3100944 its reverse (4490013), we get a palindrome (7590957).

The spelling of 3100944 in words is "three million, one hundred thousand, nine hundred forty-four".