5599399 has 4 divisors (see below), whose sum is σ = 6030136. Its totient is φ = 5168664.

The previous prime is 5599381. The next prime is 5599423. The reversal of 5599399 is 9939955.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9939955 = 5 ⋅1987991.

It is a cyclic number.

It is not a de Polignac number, because 5599399 - 2⁵ = 5599367 is a prime.

It is a super-2 number, since 2×5599399² = 62706538322402, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5599369) 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, 215349 + ... + 215374.

It is an arithmetic number, because the mean of its divisors is an integer number (1507534).

Almost surely, 2^5599399 is an apocalyptic number.

5599399 is a deficient number, since it is larger than the sum of its proper divisors (430737).

5599399 is a wasteful number, since it uses less digits than its factorization.

5599399 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 430736.

The product of its digits is 492075, while the sum is 49.

The square root of 5599399 is about 2366.3049254059. The cubic root of 5599399 is about 177.5744473795.

The spelling of 5599399 in words is "five million, five hundred ninety-nine thousand, three hundred ninety-nine".