8985869 has 4 divisors (see below), whose sum is σ = 9074940. Its totient is φ = 8896800.

The previous prime is 8985863. The next prime is 8985881. The reversal of 8985869 is 9685898.

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 7628644 + 1357225 = 2762^2 + 1165^2 .

It is a cyclic number.

It is not a de Polignac number, because 8985869 - 2¹² = 8981773 is a prime.

It is a super-2 number, since 2×8985869² = 161491683370322, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 8985869.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8985863) 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, 44384 + ... + 44585.

It is an arithmetic number, because the mean of its divisors is an integer number (2268735).

Almost surely, 2^8985869 is an apocalyptic number.

It is an amenable number.

8985869 is a deficient number, since it is larger than the sum of its proper divisors (89071).

8985869 is a wasteful number, since it uses less digits than its factorization.

8985869 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89070.

The product of its digits is 1244160, while the sum is 53.

The square root of 8985869 is about 2997.6439081385. The cubic root of 8985869 is about 207.8994598544.

It can be divided in two parts, 89 and 85869, that added together give a palindrome (85958).

The spelling of 8985869 in words is "eight million, nine hundred eighty-five thousand, eight hundred sixty-nine".