47943856 has 20 divisors (see below), whose sum is σ = 95888704. Its totient is φ = 23198400.

The previous prime is 47943851. The next prime is 47943911. The reversal of 47943856 is 65834974.

47943856 is an admirable number.

It is a super-3 number, since 3×47943856³ (a number of 24 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is not an unprimeable number, because it can be changed into a prime (47943851) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 47835 + ... + 48826.

Almost surely, 2^47943856 is an apocalyptic number.

It is an amenable number.

47943856 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

47943856 is a wasteful number, since it uses less digits than its factorization.

47943856 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96700 (or 96694 counting only the distinct ones).

The product of its digits is 725760, while the sum is 46.

The square root of 47943856 is about 6924.1502005661. The cubic root of 47943856 is about 363.2823682594.

The spelling of 47943856 in words is "forty-seven million, nine hundred forty-three thousand, eight hundred fifty-six".