47838338 has 4 divisors (see below), whose sum is σ = 71757510. Its totient is φ = 23919168.

The previous prime is 47838337. The next prime is 47838353. The reversal of 47838338 is 83383874.

47838338 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 28976689 + 18861649 = 5383^2 + 4343^2 .

It is not an unprimeable number, because it can be changed into a prime (47838337) 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 as a sum of consecutive naturals, namely, 11959583 + ... + 11959586.

Almost surely, 2^47838338 is an apocalyptic number.

47838338 is a deficient number, since it is larger than the sum of its proper divisors (23919172).

47838338 is a wasteful number, since it uses less digits than its factorization.

47838338 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23919171.

The product of its digits is 387072, while the sum is 44.

The square root of 47838338 is about 6916.5264403456. The cubic root of 47838338 is about 363.0156605699.

The spelling of 47838338 in words is "forty-seven million, eight hundred thirty-eight thousand, three hundred thirty-eight".