5991804 has 144 divisors (see below), whose sum is σ = 19568640. Its totient is φ = 1503360.

The previous prime is 5991779. The next prime is 5991823. The reversal of 5991804 is 4081995.

5991804 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 101527 + ... + 101585.

Almost surely, 2^5991804 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5991804, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9784320).

5991804 is an abundant number, since it is smaller than the sum of its proper divisors (13576836).

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

5991804 is a wasteful number, since it uses less digits than its factorization.

5991804 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 120 (or 115 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 36.

The square root of 5991804 is about 2447.8161695683. The cubic root of 5991804 is about 181.6292820229.

The spelling of 5991804 in words is "five million, nine hundred ninety-one thousand, eight hundred four".