89236 has 12 divisors (see below), whose sum is σ = 178528. Its totient is φ = 38232.

The previous prime is 89231. The next prime is 89237. The reversal of 89236 is 63298.

89236 = 9² + 10² + ... + 64².

89236 is an admirable number.

It is a hoax number, since the sum of its digits (28) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (28), and also a Moran number because the ratio is a prime number: 3187 = 89236 / (8 + 9 + 2 + 3 + 6).

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

It is a nialpdrome in base 7.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (89231) by changing a digit.

89236 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1566 + ... + 1621.

2⁸⁹²³⁶ is an apocalyptic number.

It is an amenable number.

89236 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

It is a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (89264).

89236 is a wasteful number, since it uses less digits than its factorization.

89236 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3198 (or 3196 counting only the distinct ones).

The product of its digits is 2592, while the sum is 28.

The square root of 89236 is about 298.7239528394. The cubic root of 89236 is about 44.6868797899.

It can be divided in two parts, 89 and 236, that added together give a triangular number (325 = T₂₅).

The spelling of 89236 in words is "eighty-nine thousand, two hundred thirty-six".