47338387 has 8 divisors (see below), whose sum is σ = 50198400. Its totient is φ = 44486784.

The previous prime is 47338363. The next prime is 47338391. The reversal of 47338387 is 78383374.

47338387 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.

It is a cyclic number.

It is not a de Polignac number, because 47338387 - 2¹⁵ = 47305619 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (47338787) 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 7 ways as a sum of consecutive naturals, for example, 12414 + ... + 15772.

It is an arithmetic number, because the mean of its divisors is an integer number (6274800).

Almost surely, 2^47338387 is an apocalyptic number.

47338387 is a deficient number, since it is larger than the sum of its proper divisors (2860013).

47338387 is a wasteful number, since it uses less digits than its factorization.

47338387 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4205.

The product of its digits is 338688, while the sum is 43.

The square root of 47338387 is about 6880.2897468057. The cubic root of 47338387 is about 361.7466227502.

The spelling of 47338387 in words is "forty-seven million, three hundred thirty-eight thousand, three hundred eighty-seven".