5991220 has 24 divisors (see below), whose sum is σ = 12628224. Its totient is φ = 2387616.

The previous prime is 5991217. The next prime is 5991221. The reversal of 5991220 is 221995.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5991221) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 8937 + ... + 9583.

It is an arithmetic number, because the mean of its divisors is an integer number (526176).

Almost surely, 2^5991220 is an apocalyptic number.

It is an amenable number.

5991220 is an abundant number, since it is smaller than the sum of its proper divisors (6637004).

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

5991220 is a wasteful number, since it uses less digits than its factorization.

5991220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1119 (or 1117 counting only the distinct ones).

The product of its (nonzero) digits is 1620, while the sum is 28.

The square root of 5991220 is about 2447.6968766577. The cubic root of 5991220 is about 181.6233809093.

The spelling of 5991220 in words is "five million, nine hundred ninety-one thousand, two hundred twenty".