6021891 has 16 divisors (see below), whose sum is σ = 8965120. Its totient is φ = 3994920.

The previous prime is 6021887. The next prime is 6021901. The reversal of 6021891 is 1981206.

6021891 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 6021891 - 2² = 6021887 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6021811) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6906 + ... + 7728.

It is an arithmetic number, because the mean of its divisors is an integer number (560320).

Almost surely, 2^6021891 is an apocalyptic number.

6021891 is a deficient number, since it is larger than the sum of its proper divisors (2943229).

6021891 is a wasteful number, since it uses less digits than its factorization.

6021891 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1103 (or 1097 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 27.

The square root of 6021891 is about 2453.9541560510. The cubic root of 6021891 is about 181.9327832128.

The spelling of 6021891 in words is "six million, twenty-one thousand, eight hundred ninety-one".