47838513 has 8 divisors (see below), whose sum is σ = 65340576. Its totient is φ = 31114400.

The previous prime is 47838509. The next prime is 47838541. The reversal of 47838513 is 31583874.

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 47838513 - 2² = 47838509 is a prime.

It is not an unprimeable number, because it can be changed into a prime (47838503) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 194343 + ... + 194588.

It is an arithmetic number, because the mean of its divisors is an integer number (8167572).

Almost surely, 2^47838513 is an apocalyptic number.

It is an amenable number.

47838513 is a deficient number, since it is larger than the sum of its proper divisors (17502063).

47838513 is a wasteful number, since it uses less digits than its factorization.

47838513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 388975.

The product of its digits is 80640, while the sum is 39.

The square root of 47838513 is about 6916.5390911929. The cubic root of 47838513 is about 363.0161032251.

The spelling of 47838513 in words is "forty-seven million, eight hundred thirty-eight thousand, five hundred thirteen".