6626464 has 48 divisors (see below), whose sum is σ = 14891688. Its totient is φ = 2875392.

The previous prime is 6626453. The next prime is 6626513. The reversal of 6626464 is 4646266.

It can be written as a sum of positive squares in 4 ways, for example, as 3763600 + 2862864 = 1940^2 + 1692^2 .

It is a Harshad number since it is a multiple of its sum of digits (34).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6604 + ... + 7540.

Almost surely, 2^6626464 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 6626464, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7445844).

6626464 is an abundant number, since it is smaller than the sum of its proper divisors (8265224).

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

6626464 is a wasteful number, since it uses less digits than its factorization.

6626464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 977 (or 969 counting only the distinct ones).

The product of its digits is 41472, while the sum is 34.

The square root of 6626464 is about 2574.1919120376. The cubic root of 6626464 is about 187.8281211634.

The spelling of 6626464 in words is "six million, six hundred twenty-six thousand, four hundred sixty-four".