89100636 has 12 divisors (see below), whose sum is σ = 207901512. Its totient is φ = 29700208.

The previous prime is 89100631. The next prime is 89100653. The reversal of 89100636 is 63600198.

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

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 89100597 and 89100606.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (89100631) 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, 3712515 + ... + 3712538.

It is an arithmetic number, because the mean of its divisors is an integer number (17325126).

Almost surely, 2^89100636 is an apocalyptic number.

It is an amenable number.

89100636 is an abundant number, since it is smaller than the sum of its proper divisors (118800876).

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

89100636 is a wasteful number, since it uses less digits than its factorization.

89100636 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7425060 (or 7425058 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 33.

The square root of 89100636 is about 9439.3133224827. The cubic root of 89100636 is about 446.6427286000.

The spelling of 89100636 in words is "eighty-nine million, one hundred thousand, six hundred thirty-six".