6696999 has 20 divisors (see below), whose sum is σ = 10352760. Its totient is φ = 4309200.

The previous prime is 6696959. The next prime is 6697043. The reversal of 6696999 is 9996966.

It is not a de Polignac number, because 6696999 - 2⁷ = 6696871 is a prime.

6696999 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6696919) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 924 + ... + 3774.

It is an arithmetic number, because the mean of its divisors is an integer number (517638).

Almost surely, 2^6696999 is an apocalyptic number.

6696999 is a deficient number, since it is larger than the sum of its proper divisors (3655761).

6696999 is a wasteful number, since it uses less digits than its factorization.

6696999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2892 (or 2883 counting only the distinct ones).

The product of its digits is 1417176, while the sum is 54.

The square root of 6696999 is about 2587.8560624579. The cubic root of 6696999 is about 188.4922121519.

The spelling of 6696999 in words is "six million, six hundred ninety-six thousand, nine hundred ninety-nine".