47847849 has 32 divisors (see below), whose sum is σ = 76455936. Its totient is φ = 26040960.

The previous prime is 47847847. The next prime is 47847887. The reversal of 47847849 is 94874874.

47847849 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 47847849 - 2¹ = 47847847 is a prime.

It is not an unprimeable number, because it can be changed into a prime (47847847) 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 31 ways as a sum of consecutive naturals, for example, 43069 + ... + 44165.

It is an arithmetic number, because the mean of its divisors is an integer number (2389248).

Almost surely, 2^47847849 is an apocalyptic number.

It is an amenable number.

47847849 is a deficient number, since it is larger than the sum of its proper divisors (28608087).

47847849 is a wasteful number, since it uses less digits than its factorization.

47847849 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1205.

The product of its digits is 1806336, while the sum is 51.

The square root of 47847849 is about 6917.2139622828. The cubic root of 47847849 is about 363.0397166813.

The spelling of 47847849 in words is "forty-seven million, eight hundred forty-seven thousand, eight hundred forty-nine".