8842689 has 10 divisors (see below), whose sum is σ = 13209570. Its totient is φ = 5895072.

The previous prime is 8842661. The next prime is 8842697. The reversal of 8842689 is 9862488.

It is a happy number.

8842689 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 5602689 + 3240000 = 2367^2 + 1800^2 .

It is not a de Polignac number, because 8842689 - 2⁹ = 8842177 is a prime.

It is not an unprimeable number, because it can be changed into a prime (8842609) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 54504 + ... + 54665.

It is an arithmetic number, because the mean of its divisors is an integer number (1320957).

Almost surely, 2^8842689 is an apocalyptic number.

It is an amenable number.

8842689 is a deficient number, since it is larger than the sum of its proper divisors (4366881).

8842689 is a wasteful number, since it uses less digits than its factorization.

8842689 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 109181 (or 109172 counting only the distinct ones).

The product of its digits is 221184, while the sum is 45.

The square root of 8842689 is about 2973.6659193662. The cubic root of 8842689 is about 206.7893256715.

The spelling of 8842689 in words is "eight million, eight hundred forty-two thousand, six hundred eighty-nine".