6801669 has 24 divisors (see below), whose sum is σ = 11344320. Its totient is φ = 3846528.

The previous prime is 6801653. The next prime is 6801703. The reversal of 6801669 is 9661086.

It is not a de Polignac number, because 6801669 - 2⁴ = 6801653 is a prime.

It is a super-2 number, since 2×6801669² = 92525402371122, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6800669) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6237 + ... + 7245.

It is an arithmetic number, because the mean of its divisors is an integer number (472680).

Almost surely, 2^6801669 is an apocalyptic number.

It is an amenable number.

6801669 is a deficient number, since it is larger than the sum of its proper divisors (4542651).

6801669 is a wasteful number, since it uses less digits than its factorization.

6801669 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1129 (or 1126 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 36.

The square root of 6801669 is about 2608.0009585888. Note that the first 3 decimals coincide. The cubic root of 6801669 is about 189.4691460780.

The spelling of 6801669 in words is "six million, eight hundred one thousand, six hundred sixty-nine".