6630923 has 16 divisors (see below), whose sum is σ = 7585536. Its totient is φ = 5749920.

The previous prime is 6630919. The next prime is 6630961. The reversal of 6630923 is 3290366.

It is a cyclic number.

It is not a de Polignac number, because 6630923 - 2² = 6630919 is a prime.

It is a Smith number, since the sum of its digits (29) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6630913) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19868 + ... + 20198.

It is an arithmetic number, because the mean of its divisors is an integer number (474096).

Almost surely, 2^6630923 is an apocalyptic number.

6630923 is a deficient number, since it is larger than the sum of its proper divisors (954613).

6630923 is a wasteful number, since it uses less digits than its factorization.

6630923 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 434.

The product of its (nonzero) digits is 5832, while the sum is 29.

The square root of 6630923 is about 2575.0578634275. The cubic root of 6630923 is about 187.8702420594.

The spelling of 6630923 in words is "six million, six hundred thirty thousand, nine hundred twenty-three".