47479189 has 8 divisors (see below), whose sum is σ = 49113792. Its totient is φ = 45867360.

The previous prime is 47479163. The next prime is 47479207. The reversal of 47479189 is 98197474.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-47479189 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47479139) 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, 1399 + ... + 9844.

It is an arithmetic number, because the mean of its divisors is an integer number (6139224).

Almost surely, 2^47479189 is an apocalyptic number.

It is an amenable number.

47479189 is a deficient number, since it is larger than the sum of its proper divisors (1634603).

47479189 is a wasteful number, since it uses less digits than its factorization.

47479189 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11387.

The product of its digits is 508032, while the sum is 49.

The square root of 47479189 is about 6890.5144220152. The cubic root of 47479189 is about 362.1049241552.

The spelling of 47479189 in words is "forty-seven million, four hundred seventy-nine thousand, one hundred eighty-nine".