6623983 has 4 divisors (see below), whose sum is σ = 6642400. Its totient is φ = 6605568.

The previous prime is 6623963. The next prime is 6624017. The reversal of 6623983 is 3893266.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 6623983 - 2¹⁷ = 6492911 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6623963) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8658 + ... + 9391.

It is an arithmetic number, because the mean of its divisors is an integer number (1660600).

Almost surely, 2^6623983 is an apocalyptic number.

6623983 is a deficient number, since it is larger than the sum of its proper divisors (18417).

6623983 is a wasteful number, since it uses less digits than its factorization.

6623983 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18416.

The product of its digits is 46656, while the sum is 37.

The square root of 6623983 is about 2573.7099681200. The cubic root of 6623983 is about 187.8046767976.

The spelling of 6623983 in words is "six million, six hundred twenty-three thousand, nine hundred eighty-three".