5991944 has 32 divisors (see below), whose sum is σ = 13039680. Its totient is φ = 2528064.

The previous prime is 5991943. The next prime is 5991949. The reversal of 5991944 is 4491995.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (5991943) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2954 + ... + 4550.

It is an arithmetic number, because the mean of its divisors is an integer number (407490).

Almost surely, 2^5991944 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 5991944, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6519840).

5991944 is an abundant number, since it is smaller than the sum of its proper divisors (7047736).

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

5991944 is a wasteful number, since it uses less digits than its factorization.

5991944 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1677 (or 1673 counting only the distinct ones).

The product of its digits is 58320, while the sum is 41.

The square root of 5991944 is about 2447.8447663200. The cubic root of 5991944 is about 181.6306966164.

The spelling of 5991944 in words is "five million, nine hundred ninety-one thousand, nine hundred forty-four".