6899967 has 12 divisors (see below), whose sum is σ = 9998560. Its totient is φ = 4585248.

The previous prime is 6899951. The next prime is 6899969. The reversal of 6899967 is 7699986.

It is not a de Polignac number, because 6899967 - 2⁴ = 6899951 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6899969) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2259 + ... + 4347.

Almost surely, 2^6899967 is an apocalyptic number.

6899967 is a deficient number, since it is larger than the sum of its proper divisors (3098593).

6899967 is a wasteful number, since it uses less digits than its factorization.

6899967 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2462 (or 2459 counting only the distinct ones).

The product of its digits is 1469664, while the sum is 54.

The square root of 6899967 is about 2626.7788258626. The cubic root of 6899967 is about 190.3775226950.

The spelling of 6899967 in words is "six million, eight hundred ninety-nine thousand, nine hundred sixty-seven".