47898171 has 6 divisors (see below), whose sum is σ = 69186260. Its totient is φ = 31932108.

The previous prime is 47898133. The next prime is 47898199. The reversal of 47898171 is 17189874.

47898171 is a `hidden beast` number, since 478 + 9 + 8 + 171 = 666.

It is not a de Polignac number, because 47898171 - 2²⁵ = 14343739 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (47898371) 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 5 ways as a sum of consecutive naturals, for example, 2661001 + ... + 2661018.

Almost surely, 2^47898171 is an apocalyptic number.

47898171 is a deficient number, since it is larger than the sum of its proper divisors (21288089).

47898171 is a wasteful number, since it uses less digits than its factorization.

47898171 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5322025 (or 5322022 counting only the distinct ones).

The product of its digits is 112896, while the sum is 45.

The square root of 47898171 is about 6920.8504535209. The cubic root of 47898171 is about 363.1669427686.

The spelling of 47898171 in words is "forty-seven million, eight hundred ninety-eight thousand, one hundred seventy-one".