5805990 has 48 divisors (see below), whose sum is σ = 15590016. Its totient is φ = 1497600.

The previous prime is 5805977. The next prime is 5805997. The reversal of 5805990 is 995085.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5805997) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1750 + ... + 3830.

It is an arithmetic number, because the mean of its divisors is an integer number (324792).

Almost surely, 2^5805990 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5805990, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7795008).

5805990 is an abundant number, since it is smaller than the sum of its proper divisors (9784026).

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

5805990 is a wasteful number, since it uses less digits than its factorization.

5805990 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2125 (or 2122 counting only the distinct ones).

The product of its (nonzero) digits is 16200, while the sum is 36.

The square root of 5805990 is about 2409.5622008987. The cubic root of 5805990 is about 179.7320086088.

The spelling of 5805990 in words is "five million, eight hundred five thousand, nine hundred ninety".