5731399 has 8 divisors (see below), whose sum is σ = 5846400. Its totient is φ = 5617656.

The previous prime is 5731391. The next prime is 5731403. The reversal of 5731399 is 9931375.

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 5731399 - 2³ = 5731391 is a prime.

It is a Duffinian number.

5731399 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5731391) 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 7 ways as a sum of consecutive naturals, for example, 16344 + ... + 16690.

It is an arithmetic number, because the mean of its divisors is an integer number (730800).

Almost surely, 2^5731399 is an apocalyptic number.

5731399 is a deficient number, since it is larger than the sum of its proper divisors (115001).

5731399 is a wasteful number, since it uses less digits than its factorization.

5731399 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 629.

The product of its digits is 25515, while the sum is 37.

The square root of 5731399 is about 2394.0340431999. The cubic root of 5731399 is about 178.9590014610.

The spelling of 5731399 in words is "five million, seven hundred thirty-one thousand, three hundred ninety-nine".