6694659 has 6 divisors (see below), whose sum is σ = 9670076. Its totient is φ = 4463100.

The previous prime is 6694643. The next prime is 6694663. The reversal of 6694659 is 9564966.

It is not a de Polignac number, because 6694659 - 2⁴ = 6694643 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6624659) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 371917 + ... + 371934.

Almost surely, 2^6694659 is an apocalyptic number.

6694659 is a deficient number, since it is larger than the sum of its proper divisors (2975417).

6694659 is a wasteful number, since it uses less digits than its factorization.

6694659 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 743857 (or 743854 counting only the distinct ones).

The product of its digits is 349920, while the sum is 45.

The square root of 6694659 is about 2587.4039112593. The cubic root of 6694659 is about 188.4702558917.

The spelling of 6694659 in words is "six million, six hundred ninety-four thousand, six hundred fifty-nine".