47284943 has 4 divisors (see below), whose sum is σ = 48060168. Its totient is φ = 46509720.

The previous prime is 47284933. The next prime is 47284949. The reversal of 47284943 is 34948274.

47284943 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 34948274 = 2 ⋅17474137.

It is a cyclic number.

It is not a de Polignac number, because 47284943 - 2¹⁶ = 47219407 is a prime.

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 47284943.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47284949) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 387521 + ... + 387642.

It is an arithmetic number, because the mean of its divisors is an integer number (12015042).

Almost surely, 2^47284943 is an apocalyptic number.

47284943 is a deficient number, since it is larger than the sum of its proper divisors (775225).

47284943 is an equidigital number, since it uses as much as digits as its factorization.

47284943 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 775224.

The product of its digits is 193536, while the sum is 41.

The square root of 47284943 is about 6876.4048019296. The cubic root of 47284943 is about 361.6104368211.

The spelling of 47284943 in words is "forty-seven million, two hundred eighty-four thousand, nine hundred forty-three".