8722648 has 24 divisors (see below), whose sum is σ = 17978940. Its totient is φ = 3964400.

The previous prime is 8722643. The next prime is 8722661. The reversal of 8722648 is 8462278.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8722643) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3538 + ... + 5473.

Almost surely, 2^8722648 is an apocalyptic number.

8722648 is a gapful number since it is divisible by the number (88) formed by its first and last digit.

It is an amenable number.

8722648 is an abundant number, since it is smaller than the sum of its proper divisors (9256292).

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

8722648 is a wasteful number, since it uses less digits than its factorization.

8722648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9039 (or 9024 counting only the distinct ones).

The product of its digits is 43008, while the sum is 37.

The square root of 8722648 is about 2953.4129409888. The cubic root of 8722648 is about 205.8493258330.

The spelling of 8722648 in words is "eight million, seven hundred twenty-two thousand, six hundred forty-eight".