6891374 has 16 divisors (see below), whose sum is σ = 11903328. Its totient is φ = 2931072.

The previous prime is 6891337. The next prime is 6891383. The reversal of 6891374 is 4731986.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 122 + ... + 3714.

It is an arithmetic number, because the mean of its divisors is an integer number (743958).

Almost surely, 2^6891374 is an apocalyptic number.

6891374 is a deficient number, since it is larger than the sum of its proper divisors (5011954).

6891374 is a wasteful number, since it uses less digits than its factorization.

6891374 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3739.

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

The square root of 6891374 is about 2625.1426627900. The cubic root of 6891374 is about 190.2984598227.

The spelling of 6891374 in words is "six million, eight hundred ninety-one thousand, three hundred seventy-four".