6624943 has 8 divisors (see below), whose sum is σ = 7445088. Its totient is φ = 5849184.

The previous prime is 6624941. The next prime is 6624953. The reversal of 6624943 is 3494266.

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

It is a cyclic number.

It is not a de Polignac number, because 6624943 - 2¹ = 6624941 is a prime.

It is a Duffinian number.

6624943 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 6624899 and 6624908.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6624941) 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 7 ways as a sum of consecutive naturals, for example, 10780 + ... + 11377.

It is an arithmetic number, because the mean of its divisors is an integer number (930636).

Almost surely, 2^6624943 is an apocalyptic number.

6624943 is a deficient number, since it is larger than the sum of its proper divisors (820145).

6624943 is a wasteful number, since it uses less digits than its factorization.

6624943 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22193.

The product of its digits is 31104, while the sum is 34.

The square root of 6624943 is about 2573.8964625641. The cubic root of 6624943 is about 187.8137490723.

The spelling of 6624943 in words is "six million, six hundred twenty-four thousand, nine hundred forty-three".