89284171 has 4 divisors (see below), whose sum is σ = 90968832. Its totient is φ = 87599512.

The previous prime is 89284159. The next prime is 89284193. The reversal of 89284171 is 17148298.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 89284171 - 2⁷ = 89284043 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (89284121) 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, 842251 + ... + 842356.

It is an arithmetic number, because the mean of its divisors is an integer number (22742208).

Almost surely, 2^89284171 is an apocalyptic number.

89284171 is a deficient number, since it is larger than the sum of its proper divisors (1684661).

89284171 is a wasteful number, since it uses less digits than its factorization.

89284171 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1684660.

The product of its digits is 32256, while the sum is 40.

The square root of 89284171 is about 9449.0301618738. The cubic root of 89284171 is about 446.9491923761.

The spelling of 89284171 in words is "eighty-nine million, two hundred eighty-four thousand, one hundred seventy-one".