6324643 has 4 divisors (see below), whose sum is σ = 6811168. Its totient is φ = 5838120.

The previous prime is 6324641. The next prime is 6324653. The reversal of 6324643 is 3464236.

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 6324643 - 2¹ = 6324641 is a prime.

It is a super-2 number, since 2×6324643² = 80002218154898, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (6324641) 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, 243243 + ... + 243268.

It is an arithmetic number, because the mean of its divisors is an integer number (1702792).

Almost surely, 2^6324643 is an apocalyptic number.

6324643 is a deficient number, since it is larger than the sum of its proper divisors (486525).

6324643 is a wasteful number, since it uses less digits than its factorization.

6324643 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 486524.

The product of its digits is 10368, while the sum is 28.

The square root of 6324643 is about 2514.8842915729. The cubic root of 6324643 is about 184.9319740154.

Adding to 6324643 its reverse (3464236), we get a palindrome (9788879).

The spelling of 6324643 in words is "six million, three hundred twenty-four thousand, six hundred forty-three".