6366993 has 16 divisors (see below), whose sum is σ = 9066816. Its totient is φ = 3960320.

The previous prime is 6366989. The next prime is 6367001. The reversal of 6366993 is 3996636.

It is not a de Polignac number, because 6366993 - 2² = 6366989 is a prime.

It is not an unprimeable number, because it can be changed into a prime (6366953) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6205 + ... + 7157.

It is an arithmetic number, because the mean of its divisors is an integer number (566676).

Almost surely, 2^6366993 is an apocalyptic number.

It is an amenable number.

6366993 is a deficient number, since it is larger than the sum of its proper divisors (2699823).

6366993 is a wasteful number, since it uses less digits than its factorization.

6366993 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1104.

The product of its digits is 157464, while the sum is 42.

The square root of 6366993 is about 2523.2901141169. The cubic root of 6366993 is about 185.3438261431.

The spelling of 6366993 in words is "six million, three hundred sixty-six thousand, nine hundred ninety-three".