89434818 has 24 divisors (see below), whose sum is σ = 211391856. Its totient is φ = 27101400.

The previous prime is 89434801. The next prime is 89434823. The reversal of 89434818 is 81843498.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 225648 + ... + 226043.

It is an arithmetic number, because the mean of its divisors is an integer number (8807994).

Almost surely, 2^89434818 is an apocalyptic number.

89434818 is an abundant number, since it is smaller than the sum of its proper divisors (121957038).

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

89434818 is a wasteful number, since it uses less digits than its factorization.

89434818 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 451710 (or 451707 counting only the distinct ones).

The product of its digits is 221184, while the sum is 45.

The square root of 89434818 is about 9456.9983610023. The cubic root of 89434818 is about 447.2004266122.

The spelling of 89434818 in words is "eighty-nine million, four hundred thirty-four thousand, eight hundred eighteen".