5644438 has 8 divisors (see below), whose sum is σ = 8663688. Its totient is φ = 2756544.

The previous prime is 5644421. The next prime is 5644439. The reversal of 5644438 is 8344465.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5644439) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 32731 + ... + 32902.

It is an arithmetic number, because the mean of its divisors is an integer number (1082961).

Almost surely, 2^5644438 is an apocalyptic number.

5644438 is a deficient number, since it is larger than the sum of its proper divisors (3019250).

5644438 is a wasteful number, since it uses less digits than its factorization.

5644438 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65678.

The product of its digits is 46080, while the sum is 34.

The square root of 5644438 is about 2375.8026012276. The cubic root of 5644438 is about 178.0492856831.

The spelling of 5644438 in words is "five million, six hundred forty-four thousand, four hundred thirty-eight".