8904985 has 8 divisors (see below), whose sum is σ = 10758600. Its totient is φ = 7075584.

The previous prime is 8904953. The next prime is 8904989. The reversal of 8904985 is 5894098.

It is a happy number.

8904985 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 992016 + 7912969 = 996^2 + 2813^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 8904985 - 2⁵ = 8904953 is a prime.

It is not an unprimeable number, because it can be changed into a prime (8904989) 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 7 ways as a sum of consecutive naturals, for example, 5232 + ... + 6721.

It is an arithmetic number, because the mean of its divisors is an integer number (1344825).

Almost surely, 2^8904985 is an apocalyptic number.

It is an amenable number.

8904985 is a deficient number, since it is larger than the sum of its proper divisors (1853615).

8904985 is a wasteful number, since it uses less digits than its factorization.

8904985 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12107.

The product of its (nonzero) digits is 103680, while the sum is 43.

The square root of 8904985 is about 2984.1221489745. The cubic root of 8904985 is about 207.2737942331.

It can be divided in two parts, 8904 and 985, that added together give a palindrome (9889).

The spelling of 8904985 in words is "eight million, nine hundred four thousand, nine hundred eighty-five".