5578944 has 84 divisors (see below), whose sum is σ = 17199864. Its totient is φ = 1591296.

The previous prime is 5578943. The next prime is 5578987. The reversal of 5578944 is 4498755.

It is a tau number, because it is divible by the number of its divisors (84).

It is a super-2 number, since 2×5578944² = 62249232310272, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a nialpdrome in base 14.

It is a junction number, because it is equal to n+sod(n) for n = 5578896 and 5578905.

It is not an unprimeable number, because it can be changed into a prime (5578943) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9112 + ... + 9704.

Almost surely, 2^5578944 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 5578944, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8599932).

5578944 is an abundant number, since it is smaller than the sum of its proper divisors (11620920).

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

5578944 is a wasteful number, since it uses less digits than its factorization.

5578944 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 622 (or 605 counting only the distinct ones).

The product of its digits is 201600, while the sum is 42.

The square root of 5578944 is about 2361.9788314039. The cubic root of 5578944 is about 177.3579528761.

The spelling of 5578944 in words is "five million, five hundred seventy-eight thousand, nine hundred forty-four".