8621608 has 16 divisors (see below), whose sum is σ = 16348500. Its totient is φ = 4262016.

The previous prime is 8621581. The next prime is 8621609. The reversal of 8621608 is 8061268.

It can be written as a sum of positive squares in 2 ways, for example, as 8282884 + 338724 = 2878^2 + 582^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 8621608.

It is not an unprimeable number, because it can be changed into a prime (8621609) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5343 + ... + 6766.

Almost surely, 2^8621608 is an apocalyptic number.

It is an amenable number.

8621608 is a deficient number, since it is larger than the sum of its proper divisors (7726892).

8621608 is a wasteful number, since it uses less digits than its factorization.

8621608 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12204 (or 12200 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 31.

The square root of 8621608 is about 2936.2574818977. The cubic root of 8621608 is about 205.0514088796.

It can be divided in two parts, 8621 and 608, that added together give a palindrome (9229).

The spelling of 8621608 in words is "eight million, six hundred twenty-one thousand, six hundred eight".