5724399 has 4 divisors (see below), whose sum is σ = 7632536. Its totient is φ = 3816264.

The previous prime is 5724373. The next prime is 5724403. The reversal of 5724399 is 9934275.

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

It is not a de Polignac number, because 5724399 - 2⁸ = 5724143 is a prime.

It is a super-2 number, since 2×5724399² = 65537487822402, which contains 22 as substring.

It is a d-powerful number, because it can be written as 5⁵ + 7⁷ + 2¹⁵ + 4⁷ + 3¹⁴ + 9⁴ + 9⁵ .

It is a D-number.

It is a Duffinian number.

5724399 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5724319) 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, 954064 + ... + 954069.

It is an arithmetic number, because the mean of its divisors is an integer number (1908134).

Almost surely, 2^5724399 is an apocalyptic number.

5724399 is a deficient number, since it is larger than the sum of its proper divisors (1908137).

5724399 is a wasteful number, since it uses less digits than its factorization.

5724399 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1908136.

The product of its digits is 68040, while the sum is 39.

The square root of 5724399 is about 2392.5716290218. The cubic root of 5724399 is about 178.8861150474.

The spelling of 5724399 in words is "five million, seven hundred twenty-four thousand, three hundred ninety-nine".