89493666 has 16 divisors (see below), whose sum is σ = 179234688. Its totient is φ = 29790000.

The previous prime is 89493653. The next prime is 89493689. The reversal of 89493666 is 66639498.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5425 + ... + 14436.

It is an arithmetic number, because the mean of its divisors is an integer number (11202168).

Almost surely, 2^89493666 is an apocalyptic number.

89493666 is an abundant number, since it is smaller than the sum of its proper divisors (89741022).

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

89493666 is a wasteful number, since it uses less digits than its factorization.

89493666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20617.

The product of its digits is 1679616, while the sum is 51.

The square root of 89493666 is about 9460.1091959871. The cubic root of 89493666 is about 447.2984908831.

The spelling of 89493666 in words is "eighty-nine million, four hundred ninety-three thousand, six hundred sixty-six".