6842891 has 32 divisors (see below), whose sum is σ = 8667648. Its totient is φ = 5322240.

The previous prime is 6842881. The next prime is 6842893. The reversal of 6842891 is 1982486.

It is not a de Polignac number, because 6842891 - 2⁶ = 6842827 is a prime.

It is not an unprimeable number, because it can be changed into a prime (6842893) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 159116 + ... + 159158.

It is an arithmetic number, because the mean of its divisors is an integer number (270864).

Almost surely, 2^6842891 is an apocalyptic number.

6842891 is a deficient number, since it is larger than the sum of its proper divisors (1824757).

6842891 is a wasteful number, since it uses less digits than its factorization.

6842891 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 131.

The product of its digits is 27648, while the sum is 38.

The square root of 6842891 is about 2615.8920084744. The cubic root of 6842891 is about 189.8511391723.

The spelling of 6842891 in words is "six million, eight hundred forty-two thousand, eight hundred ninety-one".