5599404 has 18 divisors (see below), whose sum is σ = 14154140. Its totient is φ = 1866456.

The previous prime is 5599381. The next prime is 5599423. The reversal of 5599404 is 4049955.

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 155539 = 5599404 / (5 + 5 + 9 + 9 + 4 + 0 + 4).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 77734 + ... + 77805.

Almost surely, 2^5599404 is an apocalyptic number.

It is an amenable number.

5599404 is an abundant number, since it is smaller than the sum of its proper divisors (8554736).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

5599404 is a wasteful number, since it uses less digits than its factorization.

5599404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 155549 (or 155544 counting only the distinct ones).

The product of its (nonzero) digits is 32400, while the sum is 36.

The square root of 5599404 is about 2366.3059819051. The cubic root of 5599404 is about 177.5745002347.

The spelling of 5599404 in words is "five million, five hundred ninety-nine thousand, four hundred four".