5644368 has 60 divisors (see below), whose sum is σ = 16635840. Its totient is φ = 1781568.

The previous prime is 5644367. The next prime is 5644369. The reversal of 5644368 is 8634465.

5644368 is a `hidden beast` number, since 5 + 644 + 3 + 6 + 8 = 666.

It is an interprime number because it is at equal distance from previous prime (5644367) and next prime (5644369).

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5644363) 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, 1705 + ... + 3767.

It is an arithmetic number, because the mean of its divisors is an integer number (277264).

Almost surely, 2^5644368 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 5644368, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8317920).

5644368 is an abundant number, since it is smaller than the sum of its proper divisors (10991472).

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

5644368 is a wasteful number, since it uses less digits than its factorization.

5644368 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2096 (or 2087 counting only the distinct ones).

The product of its digits is 69120, while the sum is 36.

The square root of 5644368 is about 2375.7878693183. The cubic root of 5644368 is about 178.0485496487.

The spelling of 5644368 in words is "five million, six hundred forty-four thousand, three hundred sixty-eight".