47189215 has 8 divisors (see below), whose sum is σ = 59089248. Its totient is φ = 36109920.

The previous prime is 47189159. The next prime is 47189221. The reversal of 47189215 is 51298174.

47189215 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 not a de Polignac number, because 47189215 - 2¹⁹ = 46664927 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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, 205056 + ... + 205285.

It is an arithmetic number, because the mean of its divisors is an integer number (7386156).

Almost surely, 2^47189215 is an apocalyptic number.

47189215 is a deficient number, since it is larger than the sum of its proper divisors (11900033).

47189215 is a wasteful number, since it uses less digits than its factorization.

47189215 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 410369.

The product of its digits is 20160, while the sum is 37.

The square root of 47189215 is about 6869.4406613639. The cubic root of 47189215 is about 361.3662461188.

The spelling of 47189215 in words is "forty-seven million, one hundred eighty-nine thousand, two hundred fifteen".