5590399 has 4 divisors (see below), whose sum is σ = 5919264. Its totient is φ = 5261536.

The previous prime is 5590381. The next prime is 5590421. The reversal of 5590399 is 9930955.

It is a happy number.

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 5590399 - 2⁷ = 5590271 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

5590399 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5590339) 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, 164407 + ... + 164440.

It is an arithmetic number, because the mean of its divisors is an integer number (1479816).

Almost surely, 2^5590399 is an apocalyptic number.

5590399 is a deficient number, since it is larger than the sum of its proper divisors (328865).

5590399 is a wasteful number, since it uses less digits than its factorization.

5590399 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 328864.

The product of its (nonzero) digits is 54675, while the sum is 40.

The square root of 5590399 is about 2364.4024615112. The cubic root of 5590399 is about 177.4792569822.

The spelling of 5590399 in words is "five million, five hundred ninety thousand, three hundred ninety-nine".