47898471 has 8 divisors (see below), whose sum is σ = 63946624. Its totient is φ = 31891320.

The previous prime is 47898467. The next prime is 47898479. The reversal of 47898471 is 17489874.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 47898471 - 2² = 47898467 is a prime.

It is a super-3 number, since 3×47898471³ (a number of 24 digits) contains 333 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 47898471.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47898479) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7411 + ... + 12276.

It is an arithmetic number, because the mean of its divisors is an integer number (7993328).

Almost surely, 2^47898471 is an apocalyptic number.

47898471 is a deficient number, since it is larger than the sum of its proper divisors (16048153).

47898471 is a wasteful number, since it uses less digits than its factorization.

47898471 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20501.

The product of its digits is 451584, while the sum is 48.

The square root of 47898471 is about 6920.8721271239. The cubic root of 47898471 is about 363.1677009733.

The spelling of 47898471 in words is "forty-seven million, eight hundred ninety-eight thousand, four hundred seventy-one".