5644000 has 96 divisors (see below), whose sum is σ = 14859936. Its totient is φ = 2099200.

The previous prime is 5643973. The next prime is 5644021. The reversal of 5644000 is 4465.

5644000 is an esthetic number in base 7, because in such base its adjacent digits differ by 1.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 67959 + ... + 68041.

It is an arithmetic number, because the mean of its divisors is an integer number (154791).

Almost surely, 2^5644000 is an apocalyptic number.

5644000 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5644000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7429968).

5644000 is an abundant number, since it is smaller than the sum of its proper divisors (9215936).

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

5644000 is a wasteful number, since it uses less digits than its factorization.

5644000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 125 (or 107 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 19.

The square root of 5644000 is about 2375.7104200639. The cubic root of 5644000 is about 178.0446801107.

Adding to 5644000 its reverse (4465), we get a palindrome (5648465).

The spelling of 5644000 in words is "five million, six hundred forty-four thousand".