8820985 has 8 divisors (see below), whose sum is σ = 10871496. Its totient is φ = 6865920.

The previous prime is 8820971. The next prime is 8821003. The reversal of 8820985 is 5890288.

It is a happy number.

8820985 is digitally balanced in base 2, 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 1225449 + 7595536 = 1107^2 + 2756^2 .

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

It is not a de Polignac number, because 8820985 - 2⁷ = 8820857 is a prime.

It is a Duffinian 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, 23656 + ... + 24025.

It is an arithmetic number, because the mean of its divisors is an integer number (1358937).

Almost surely, 2^8820985 is an apocalyptic number.

It is an amenable number.

8820985 is a deficient number, since it is larger than the sum of its proper divisors (2050511).

8820985 is a wasteful number, since it uses less digits than its factorization.

8820985 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47723.

The product of its (nonzero) digits is 46080, while the sum is 40.

The square root of 8820985 is about 2970.0143097298. The cubic root of 8820985 is about 206.6200018932.

The spelling of 8820985 in words is "eight million, eight hundred twenty thousand, nine hundred eighty-five".