6347891 has 4 divisors (see below), whose sum is σ = 6924984. Its totient is φ = 5770800.

The previous prime is 6347879. The next prime is 6347903. The reversal of 6347891 is 1987436.

6347891 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 an interprime number because it is at equal distance from previous prime (6347879) and next prime (6347903).

It is a cyclic number.

It is not a de Polignac number, because 6347891 - 2⁶ = 6347827 is a prime.

It is not an unprimeable number, because it can be changed into a prime (6347801) 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, 288530 + ... + 288551.

It is an arithmetic number, because the mean of its divisors is an integer number (1731246).

Almost surely, 2^6347891 is an apocalyptic number.

6347891 is a deficient number, since it is larger than the sum of its proper divisors (577093).

6347891 is a wasteful number, since it uses less digits than its factorization.

6347891 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 577092.

The product of its digits is 36288, while the sum is 38.

The square root of 6347891 is about 2519.5021333589. The cubic root of 6347891 is about 185.1582867366.

The spelling of 6347891 in words is "six million, three hundred forty-seven thousand, eight hundred ninety-one".