989414171 has 4 divisors (see below), whose sum is σ = 989477112. Its totient is φ = 989351232.

The previous prime is 989414159. The next prime is 989414177. The reversal of 989414171 is 171414989.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 989414171 - 2²² = 985219867 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (989414177) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14276 + ... + 46718.

It is an arithmetic number, because the mean of its divisors is an integer number (247369278).

Almost surely, 2^989414171 is an apocalyptic number.

989414171 is a deficient number, since it is larger than the sum of its proper divisors (62941).

989414171 is a wasteful number, since it uses less digits than its factorization.

989414171 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62940.

The product of its digits is 72576, while the sum is 44.

The square root of 989414171 is about 31454.9546335708. The cubic root of 989414171 is about 996.4588655013.

The spelling of 989414171 in words is "nine hundred eighty-nine million, four hundred fourteen thousand, one hundred seventy-one".