989836 has 12 divisors (see below), whose sum is σ = 1746360. Its totient is φ = 490880.

The previous prime is 989831. The next prime is 989837. The reversal of 989836 is 638989.

989836 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an alternating number because its digits alternate between odd and even.

It is a junction number, because it is equal to n+sod(n) for n = 989792 and 989801.

It is not an unprimeable number, because it can be changed into a prime (989831) 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, 421 + ... + 1468.

It is an arithmetic number, because the mean of its divisors is an integer number (145530).

2⁹⁸⁹⁸³⁶ is an apocalyptic number.

It is an amenable number.

989836 is a deficient number, since it is larger than the sum of its proper divisors (756524).

989836 is a wasteful number, since it uses less digits than its factorization.

989836 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2024 (or 2022 counting only the distinct ones).

The product of its digits is 93312, while the sum is 43.

The square root of 989836 is about 994.9050205924. The cubic root of 989836 is about 99.6600456198.

It can be divided in two parts, 98983 and 6, that added together give a palindrome (98989).

The spelling of 989836 in words is "nine hundred eighty-nine thousand, eight hundred thirty-six".