6692891 has 4 divisors (see below), whose sum is σ = 6700512. Its totient is φ = 6685272.

The previous prime is 6692867. The next prime is 6692897. The reversal of 6692891 is 1982966.

6692891 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, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 1982966 = 2 ⋅991483.

It is a cyclic number.

It is not a de Polignac number, because 6692891 - 2⁶ = 6692827 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6692897) 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, 2291 + ... + 4316.

It is an arithmetic number, because the mean of its divisors is an integer number (1675128).

Almost surely, 2^6692891 is an apocalyptic number.

6692891 is a deficient number, since it is larger than the sum of its proper divisors (7621).

6692891 is a wasteful number, since it uses less digits than its factorization.

6692891 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7620.

The product of its digits is 46656, while the sum is 41.

The square root of 6692891 is about 2587.0622334996. The cubic root of 6692891 is about 188.4536633239.

The spelling of 6692891 in words is "six million, six hundred ninety-two thousand, eight hundred ninety-one".