6027991 has 4 divisors (see below), whose sum is σ = 6036712. Its totient is φ = 6019272.

The previous prime is 6027977. The next prime is 6028019. The reversal of 6027991 is 1997206.

6027991 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6027991 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6027941) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3225 + ... + 4738.

It is an arithmetic number, because the mean of its divisors is an integer number (1509178).

Almost surely, 2^6027991 is an apocalyptic number.

6027991 is a deficient number, since it is larger than the sum of its proper divisors (8721).

6027991 is an equidigital number, since it uses as much as digits as its factorization.

6027991 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8720.

The product of its (nonzero) digits is 6804, while the sum is 34.

The square root of 6027991 is about 2455.1967334615. The cubic root of 6027991 is about 181.9941933501.

The spelling of 6027991 in words is "six million, twenty-seven thousand, nine hundred ninety-one".