6874391 has 4 divisors (see below), whose sum is σ = 6881784. Its totient is φ = 6867000.

The previous prime is 6874381. The next prime is 6874397. The reversal of 6874391 is 1934786.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 6874391 - 2²² = 2680087 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 (6874397) 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, 2060 + ... + 4241.

It is an arithmetic number, because the mean of its divisors is an integer number (1720446).

Almost surely, 2^6874391 is an apocalyptic number.

6874391 is a deficient number, since it is larger than the sum of its proper divisors (7393).

6874391 is a wasteful number, since it uses less digits than its factorization.

6874391 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7392.

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

The square root of 6874391 is about 2621.9059861101. The cubic root of 6874391 is about 190.1420083316.

The spelling of 6874391 in words is "six million, eight hundred seventy-four thousand, three hundred ninety-one".