5591844 has 36 divisors (see below), whose sum is σ = 14968044. Its totient is φ = 1754112.

The previous prime is 5591837. The next prime is 5591863. The reversal of 5591844 is 4481955.

It can be written as a sum of positive squares in 2 ways, for example, as 1742400 + 3849444 = 1320^2 + 1962^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 5591799 and 5591808.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3957 + ... + 5180.

It is an arithmetic number, because the mean of its divisors is an integer number (415779).

Almost surely, 2^5591844 is an apocalyptic number.

It is an amenable number.

5591844 is an abundant number, since it is smaller than the sum of its proper divisors (9376200).

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

5591844 is a wasteful number, since it uses less digits than its factorization.

5591844 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9164 (or 9159 counting only the distinct ones).

The product of its digits is 28800, while the sum is 36.

The square root of 5591844 is about 2364.7080158024. The cubic root of 5591844 is about 177.4945472107.

The spelling of 5591844 in words is "five million, five hundred ninety-one thousand, eight hundred forty-four".