6698331 has 12 divisors (see below), whose sum is σ = 9798880. Its totient is φ = 4408560.

The previous prime is 6698311. The next prime is 6698339. The reversal of 6698331 is 1338966.

It is a happy number.

It is not a de Polignac number, because 6698331 - 2¹⁰ = 6697307 is a prime.

It is a super-2 number, since 2×6698331² = 89735276371122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6698339) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 4000 + ... + 5421.

Almost surely, 2^6698331 is an apocalyptic number.

6698331 is a deficient number, since it is larger than the sum of its proper divisors (3100549).

6698331 is a wasteful number, since it uses less digits than its factorization.

6698331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9506 (or 9503 counting only the distinct ones).

The product of its digits is 23328, while the sum is 36.

The square root of 6698331 is about 2588.1134055524. The cubic root of 6698331 is about 188.5047080466.

It can be divided in two parts, 66 and 98331, that multiplied together give a palindrome (6489846).

The spelling of 6698331 in words is "six million, six hundred ninety-eight thousand, three hundred thirty-one".