6624243 has 6 divisors (see below), whose sum is σ = 9568364. Its totient is φ = 4416156.

The previous prime is 6624199. The next prime is 6624259. The reversal of 6624243 is 3424266.

It is not a de Polignac number, because 6624243 - 2¹⁶ = 6558707 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6624043) 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 5 ways as a sum of consecutive naturals, for example, 368005 + ... + 368022.

Almost surely, 2^6624243 is an apocalyptic number.

6624243 is a deficient number, since it is larger than the sum of its proper divisors (2944121).

6624243 is a wasteful number, since it uses less digits than its factorization.

6624243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 736033 (or 736030 counting only the distinct ones).

The product of its digits is 6912, while the sum is 27.

The square root of 6624243 is about 2573.7604783662. The cubic root of 6624243 is about 187.8071339585.

The spelling of 6624243 in words is "six million, six hundred twenty-four thousand, two hundred forty-three".