47844256 has 48 divisors (see below), whose sum is σ = 102472776. Its totient is φ = 21897216.

The previous prime is 47844233. The next prime is 47844257. The reversal of 47844256 is 65244874.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 47610000 + 234256 = 6900^2 + 484^2 .

It is not an unprimeable number, because it can be changed into a prime (47844257) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18940 + ... + 21316.

Almost surely, 2^47844256 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 47844256, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (51236388).

47844256 is an abundant number, since it is smaller than the sum of its proper divisors (54628520).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

47844256 is a wasteful number, since it uses less digits than its factorization.

47844256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2441 (or 2433 counting only the distinct ones).

The product of its digits is 215040, while the sum is 40.

The square root of 47844256 is about 6916.9542430177. The cubic root of 47844256 is about 363.0306293041.

The spelling of 47844256 in words is "forty-seven million, eight hundred forty-four thousand, two hundred fifty-six".