6699994 has 8 divisors (see below), whose sum is σ = 11485728. Its totient is φ = 2871420.

The previous prime is 6699977. The next prime is 6700007. The reversal of 6699994 is 4999966.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 239272 + ... + 239299.

It is an arithmetic number, because the mean of its divisors is an integer number (1435716).

Almost surely, 2^6699994 is an apocalyptic number.

6699994 is a deficient number, since it is larger than the sum of its proper divisors (4785734).

6699994 is a wasteful number, since it uses less digits than its factorization.

6699994 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 478580.

The product of its digits is 944784, while the sum is 52.

The square root of 6699994 is about 2588.4346621076. The cubic root of 6699994 is about 188.5203068273.

The spelling of 6699994 in words is "six million, six hundred ninety-nine thousand, nine hundred ninety-four".