8820648 has 24 divisors (see below), whose sum is σ = 23889450. Its totient is φ = 2940192.

The previous prime is 8820619. The next prime is 8820649. The reversal of 8820648 is 8460288.

8820648 is a `hidden beast` number, since 8 + 8 + 2 + 0 + 648 = 666.

It can be written as a sum of positive squares in only one way, i.e., 4485924 + 4334724 = 2118^2 + 2082^2 .

It is a tau number, because it is divible by the number of its divisors (24).

It is a super-2 number, since 2×8820648² = 155607662279808, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (8820649) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 61183 + ... + 61326.

Almost surely, 2^8820648 is an apocalyptic number.

It is an amenable number.

8820648 is an abundant number, since it is smaller than the sum of its proper divisors (15068802).

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

8820648 is a wasteful number, since it uses less digits than its factorization.

8820648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 122521 (or 122514 counting only the distinct ones).

The product of its (nonzero) digits is 24576, while the sum is 36.

The square root of 8820648 is about 2969.9575754546. The cubic root of 8820648 is about 206.6173705987.

It can be divided in two parts, 88 and 20648, that added together give a 4-th power (20736 = 12⁴).

The spelling of 8820648 in words is "eight million, eight hundred twenty thousand, six hundred forty-eight".