6624464 has 80 divisors (see below), whose sum is σ = 16903680. Its totient is φ = 2436480.

The previous prime is 6624463. The next prime is 6624469. The reversal of 6624464 is 4644266.

It is a d-powerful number, because it can be written as 6⁴ + 6⁶ + 2²¹ + 4⁵ + 4⁶ + 6⁷ + 4¹¹ .

It is a self number, because there is not a number n which added to its sum of digits gives 6624464.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6624463) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23267 + ... + 23549.

It is an arithmetic number, because the mean of its divisors is an integer number (211296).

Almost surely, 2^6624464 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6624464, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8451840).

6624464 is an abundant number, since it is smaller than the sum of its proper divisors (10279216).

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

6624464 is a wasteful number, since it uses less digits than its factorization.

6624464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 328 (or 322 counting only the distinct ones).

The product of its digits is 27648, while the sum is 32.

The square root of 6624464 is about 2573.8034112962. The cubic root of 6624464 is about 187.8092224948.

The spelling of 6624464 in words is "six million, six hundred twenty-four thousand, four hundred sixty-four".