5991380 has 12 divisors (see below), whose sum is σ = 12581940. Its totient is φ = 2396544.

The previous prime is 5991379. The next prime is 5991389. The reversal of 5991380 is 831995.

It can be written as a sum of positive squares in 2 ways, for example, as 1943236 + 4048144 = 1394^2 + 2012^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 5991380.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5991389) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 149765 + ... + 149804.

It is an arithmetic number, because the mean of its divisors is an integer number (1048495).

Almost surely, 2^5991380 is an apocalyptic number.

It is an amenable number.

5991380 is an abundant number, since it is smaller than the sum of its proper divisors (6590560).

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

5991380 is a wasteful number, since it uses less digits than its factorization.

5991380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 299578 (or 299576 counting only the distinct ones).

The product of its (nonzero) digits is 9720, while the sum is 35.

The square root of 5991380 is about 2447.7295602251. The cubic root of 5991380 is about 181.6249976909.

The spelling of 5991380 in words is "five million, nine hundred ninety-one thousand, three hundred eighty".