6624855 has 32 divisors (see below), whose sum is σ = 12165120. Its totient is φ = 3417120.

The previous prime is 6624833. The next prime is 6624859. The reversal of 6624855 is 5584266.

It is not a de Polignac number, because 6624855 - 2⁷ = 6624727 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6624859) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3394 + ... + 4976.

It is an arithmetic number, because the mean of its divisors is an integer number (380160).

Almost surely, 2^6624855 is an apocalyptic number.

6624855 is a deficient number, since it is larger than the sum of its proper divisors (5540265).

6624855 is a wasteful number, since it uses less digits than its factorization.

6624855 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1628 (or 1622 counting only the distinct ones).

The product of its digits is 57600, while the sum is 36.

The square root of 6624855 is about 2573.8793678026. The cubic root of 6624855 is about 187.8129174836.

The spelling of 6624855 in words is "six million, six hundred twenty-four thousand, eight hundred fifty-five".