5991388 has 18 divisors (see below), whose sum is σ = 11354784. Its totient is φ = 2764944.

The previous prime is 5991379. The next prime is 5991389. The reversal of 5991388 is 8831995.

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 5 ways as a sum of consecutive naturals, for example, 3756 + ... + 5107.

Almost surely, 2^5991388 is an apocalyptic number.

It is an amenable number.

5991388 is a deficient number, since it is larger than the sum of its proper divisors (5363396).

5991388 is a wasteful number, since it uses less digits than its factorization.

5991388 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8893 (or 8878 counting only the distinct ones).

The product of its digits is 77760, while the sum is 43.

The square root of 5991388 is about 2447.7311943921. The cubic root of 5991388 is about 181.6250785292.

The spelling of 5991388 in words is "five million, nine hundred ninety-one thousand, three hundred eighty-eight".