89982171 has 24 divisors (see below), whose sum is σ = 135298800. Its totient is φ = 59761152.

The previous prime is 89982127. The next prime is 89982199. The reversal of 89982171 is 17128998.

It is not a de Polignac number, because 89982171 - 2⁶ = 89982107 is a prime.

It is not an unprimeable number, because it can be changed into a prime (89982121) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 85255 + ... + 86303.

It is an arithmetic number, because the mean of its divisors is an integer number (5637450).

Almost surely, 2^89982171 is an apocalyptic number.

89982171 is a gapful number since it is divisible by the number (81) formed by its first and last digit.

89982171 is a deficient number, since it is larger than the sum of its proper divisors (45316629).

89982171 is a wasteful number, since it uses less digits than its factorization.

89982171 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1417 (or 1405 counting only the distinct ones).

The product of its digits is 72576, while the sum is 45.

The square root of 89982171 is about 9485.8932631566. The cubic root of 89982171 is about 448.1108804921.

The spelling of 89982171 in words is "eighty-nine million, nine hundred eighty-two thousand, one hundred seventy-one".