47284856 has 8 divisors (see below), whose sum is σ = 88659120. Its totient is φ = 23642424.

The previous prime is 47284847. The next prime is 47284859. The reversal of 47284856 is 65848274.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47284859) 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 as a sum of consecutive naturals, namely, 2955296 + ... + 2955311.

It is an arithmetic number, because the mean of its divisors is an integer number (11082390).

Almost surely, 2^47284856 is an apocalyptic number.

It is an amenable number.

47284856 is a deficient number, since it is larger than the sum of its proper divisors (41374264).

47284856 is a wasteful number, since it uses less digits than its factorization.

47284856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5910613 (or 5910609 counting only the distinct ones).

The product of its digits is 430080, while the sum is 44.

The square root of 47284856 is about 6876.3984759465. The cubic root of 47284856 is about 361.6102150441.

The spelling of 47284856 in words is "forty-seven million, two hundred eighty-four thousand, eight hundred fifty-six".