47856738 has 8 divisors (see below), whose sum is σ = 95713488. Its totient is φ = 15952244.

The previous prime is 47856737. The next prime is 47856779. The reversal of 47856738 is 83765874.

47856738 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

47856738 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (47856733) 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, 3988056 + ... + 3988067.

It is an arithmetic number, because the mean of its divisors is an integer number (11964186).

Almost surely, 2^47856738 is an apocalyptic number.

47856738 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.

47856738 is a wasteful number, since it uses less digits than its factorization.

47856738 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7976128.

The product of its digits is 1128960, while the sum is 48.

The square root of 47856738 is about 6917.8564599159. The cubic root of 47856738 is about 363.0621966903.

The spelling of 47856738 in words is "forty-seven million, eight hundred fifty-six thousand, seven hundred thirty-eight".