89967636 has 36 divisors (see below), whose sum is σ = 248093664. Its totient is φ = 27262800.

The previous prime is 89967629. The next prime is 89967637. The reversal of 89967636 is 63676998.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (89967637) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 113200 + ... + 113991.

Almost surely, 2^89967636 is an apocalyptic number.

It is an amenable number.

89967636 is an abundant number, since it is smaller than the sum of its proper divisors (158126028).

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

89967636 is a wasteful number, since it uses less digits than its factorization.

89967636 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 227212 (or 227207 counting only the distinct ones).

The product of its digits is 2939328, while the sum is 54.

The square root of 89967636 is about 9485.1270945623. The cubic root of 89967636 is about 448.0867511106.

The spelling of 89967636 in words is "eighty-nine million, nine hundred sixty-seven thousand, six hundred thirty-six".