6624894 has 32 divisors (see below), whose sum is σ = 13716864. Its totient is φ = 2132000.

The previous prime is 6624859. The next prime is 6624899. The reversal of 6624894 is 4984266.

It is a super-2 number, since 2×6624894² = 87778441022472, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6624899) 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 15 ways as a sum of consecutive naturals, for example, 26269 + ... + 26519.

It is an arithmetic number, because the mean of its divisors is an integer number (428652).

Almost surely, 2^6624894 is an apocalyptic number.

6624894 is an abundant number, since it is smaller than the sum of its proper divisors (7091970).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6624894 is a wasteful number, since it uses less digits than its factorization.

6624894 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 392.

The product of its digits is 82944, while the sum is 39.

The square root of 6624894 is about 2573.8869439041. The cubic root of 6624894 is about 187.8132860295.

The spelling of 6624894 in words is "six million, six hundred twenty-four thousand, eight hundred ninety-four".