6624430 has 8 divisors (see below), whose sum is σ = 11923992. Its totient is φ = 2649768.

The previous prime is 6624427. The next prime is 6624433. The reversal of 6624430 is 344266.

It is an interprime number because it is at equal distance from previous prime (6624427) and next prime (6624433).

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

It is a junction number, because it is equal to n+sod(n) for n = 6624395 and 6624404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6624433) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 331212 + ... + 331231.

It is an arithmetic number, because the mean of its divisors is an integer number (1490499).

Almost surely, 2^6624430 is an apocalyptic number.

6624430 is a deficient number, since it is larger than the sum of its proper divisors (5299562).

6624430 is a wasteful number, since it uses less digits than its factorization.

6624430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 662450.

The product of its (nonzero) digits is 3456, while the sum is 25.

The square root of 6624430 is about 2573.7968062767. The cubic root of 6624430 is about 187.8089011845.

Adding to 6624430 its reverse (344266), we get a palindrome (6968696).

The spelling of 6624430 in words is "six million, six hundred twenty-four thousand, four hundred thirty".