89209236 has 12 divisors (see below), whose sum is σ = 208154912. Its totient is φ = 29736408.

The previous prime is 89209231. The next prime is 89209247. The reversal of 89209236 is 63290298.

It is a tau number, because it is divible by the number of its divisors (12).

It is a junction number, because it is equal to n+sod(n) for n = 89209194 and 89209203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (89209231) 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, 3717040 + ... + 3717063.

Almost surely, 2^89209236 is an apocalyptic number.

It is an amenable number.

89209236 is an abundant number, since it is smaller than the sum of its proper divisors (118945676).

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

89209236 is a wasteful number, since it uses less digits than its factorization.

89209236 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7434110 (or 7434108 counting only the distinct ones).

The product of its (nonzero) digits is 46656, while the sum is 39.

The square root of 89209236 is about 9445.0641077761. The cubic root of 89209236 is about 446.8241179030.

The spelling of 89209236 in words is "eighty-nine million, two hundred nine thousand, two hundred thirty-six".