5644309 has 8 divisors (see below), whose sum is σ = 6301152. Its totient is φ = 5011440.

The previous prime is 5644283. The next prime is 5644319. The reversal of 5644309 is 9034465.

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

It is a cyclic number.

It is not a de Polignac number, because 5644309 - 2⁷ = 5644181 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5644319) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5494 + ... + 6439.

It is an arithmetic number, because the mean of its divisors is an integer number (787644).

Almost surely, 2^5644309 is an apocalyptic number.

It is an amenable number.

5644309 is a deficient number, since it is larger than the sum of its proper divisors (656843).

5644309 is a wasteful number, since it uses less digits than its factorization.

5644309 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11987.

The product of its (nonzero) digits is 12960, while the sum is 31.

The square root of 5644309 is about 2375.7754523523. The cubic root of 5644309 is about 178.0479292722.

The spelling of 5644309 in words is "five million, six hundred forty-four thousand, three hundred nine".