5724439 has 4 divisors (see below), whose sum is σ = 6542224. Its totient is φ = 4906656.

The previous prime is 5724421. The next prime is 5724443. The reversal of 5724439 is 9344275.

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 5724439 - 2⁷ = 5724311 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5724469) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 408882 + ... + 408895.

It is an arithmetic number, because the mean of its divisors is an integer number (1635556).

Almost surely, 2^5724439 is an apocalyptic number.

5724439 is a deficient number, since it is larger than the sum of its proper divisors (817785).

5724439 is an equidigital number, since it uses as much as digits as its factorization.

5724439 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 817784.

The product of its digits is 30240, while the sum is 34.

The square root of 5724439 is about 2392.5799882136. The cubic root of 5724439 is about 178.8865317100.

The spelling of 5724439 in words is "five million, seven hundred twenty-four thousand, four hundred thirty-nine".