989236 has 6 divisors (see below), whose sum is σ = 1731170. Its totient is φ = 494616.

The previous prime is 989231. The next prime is 989239. The reversal of 989236 is 632989.

It can be written as a sum of positive squares in only one way, i.e., 792100 + 197136 = 890^2 + 444^2 .

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

It is a zygodrome in base 6.

It is a junction number, because it is equal to n+sod(n) for n = 989195 and 989204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (989231) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 123651 + ... + 123658.

2⁹⁸⁹²³⁶ is an apocalyptic number.

It is an amenable number.

989236 is a deficient number, since it is larger than the sum of its proper divisors (741934).

989236 is a wasteful number, since it uses less digits than its factorization.

989236 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 247313 (or 247311 counting only the distinct ones).

The product of its digits is 23328, while the sum is 37.

The square root of 989236 is about 994.6034385623. The cubic root of 989236 is about 99.6399048714.

It can be divided in two parts, 989 and 236, that added together give a triangular number (1225 = T₄₉).

The spelling of 989236 in words is "nine hundred eighty-nine thousand, two hundred thirty-six".