6623329 has 4 divisors (see below), whose sum is σ = 6629040. Its totient is φ = 6617620.

The previous prime is 6623327. The next prime is 6623341. The reversal of 6623329 is 9233266.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 6623329 - 2¹ = 6623327 is a prime.

It is a Smith number, since the sum of its digits (31) 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 a self number, because there is not a number n which added to its sum of digits gives 6623329.

It is not an unprimeable number, because it can be changed into a prime (6623321) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 427 + ... + 3664.

It is an arithmetic number, because the mean of its divisors is an integer number (1657260).

Almost surely, 2^6623329 is an apocalyptic number.

It is an amenable number.

6623329 is a deficient number, since it is larger than the sum of its proper divisors (5711).

6623329 is a wasteful number, since it uses less digits than its factorization.

6623329 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5710.

The product of its digits is 11664, while the sum is 31.

The square root of 6623329 is about 2573.5829110406. The cubic root of 6623329 is about 187.7984958084.

The spelling of 6623329 in words is "six million, six hundred twenty-three thousand, three hundred twenty-nine".