8890985 has 4 divisors (see below), whose sum is σ = 10669188. Its totient is φ = 7112784.

The previous prime is 8890969. The next prime is 8890997. The reversal of 8890985 is 5890988.

It is a happy number.

8890985 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 3396649 + 5494336 = 1843^2 + 2344^2 .

It is a cyclic number.

It is not a de Polignac number, because 8890985 - 2⁴ = 8890969 is a prime.

It is a super-2 number, since 2×8890985² = 158099228540450, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 889094 + ... + 889103.

It is an arithmetic number, because the mean of its divisors is an integer number (2667297).

Almost surely, 2^8890985 is an apocalyptic number.

It is an amenable number.

8890985 is a deficient number, since it is larger than the sum of its proper divisors (1778203).

8890985 is a wasteful number, since it uses less digits than its factorization.

8890985 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1778202.

The product of its (nonzero) digits is 207360, while the sum is 47.

The square root of 8890985 is about 2981.7754777984. The cubic root of 8890985 is about 207.1651152120.

The spelling of 8890985 in words is "eight million, eight hundred ninety thousand, nine hundred eighty-five".