5991604 has 12 divisors (see below), whose sum is σ = 10612224. Its totient is φ = 2959544.

The previous prime is 5991589. The next prime is 5991641. The reversal of 5991604 is 4061995.

5991604 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is an Ulam number.

It is a self number, because there is not a number n which added to its sum of digits gives 5991604.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 8692 + ... + 9355.

It is an arithmetic number, because the mean of its divisors is an integer number (884352).

Almost surely, 2^5991604 is an apocalyptic number.

It is an amenable number.

5991604 is a deficient number, since it is larger than the sum of its proper divisors (4620620).

5991604 is a wasteful number, since it uses less digits than its factorization.

5991604 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18134 (or 18132 counting only the distinct ones).

The product of its (nonzero) digits is 9720, while the sum is 34.

The square root of 5991604 is about 2447.7753164864. The cubic root of 5991604 is about 181.6272611367.

The spelling of 5991604 in words is "five million, nine hundred ninety-one thousand, six hundred four".