5744639 has 4 divisors (see below), whose sum is σ = 5942760. Its totient is φ = 5546520.

The previous prime is 5744621. The next prime is 5744659. The reversal of 5744639 is 9364475.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 5744639 - 2¹⁶ = 5679103 is a prime.

It is a Duffinian number.

It is a nialpdrome in base 14.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5744659) 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, 99017 + ... + 99074.

It is an arithmetic number, because the mean of its divisors is an integer number (1485690).

Almost surely, 2^5744639 is an apocalyptic number.

5744639 is a deficient number, since it is larger than the sum of its proper divisors (198121).

5744639 is a wasteful number, since it uses less digits than its factorization.

5744639 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 198120.

The product of its digits is 90720, while the sum is 38.

The square root of 5744639 is about 2396.7976552058. The cubic root of 5744639 is about 179.0966987900.

The spelling of 5744639 in words is "five million, seven hundred forty-four thousand, six hundred thirty-nine".