47189284 has 12 divisors (see below), whose sum is σ = 86171904. Its totient is φ = 22568744.

The previous prime is 47189243. The next prime is 47189291. The reversal of 47189284 is 48298174.

It is a self number, because there is not a number n which added to its sum of digits gives 47189284.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 256372 + ... + 256555.

It is an arithmetic number, because the mean of its divisors is an integer number (7180992).

Almost surely, 2^47189284 is an apocalyptic number.

It is an amenable number.

47189284 is a deficient number, since it is larger than the sum of its proper divisors (38982620).

47189284 is a wasteful number, since it uses less digits than its factorization.

47189284 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 512954 (or 512952 counting only the distinct ones).

The product of its digits is 129024, while the sum is 43.

The square root of 47189284 is about 6869.4456836050. The cubic root of 47189284 is about 361.3664222485.

The spelling of 47189284 in words is "forty-seven million, one hundred eighty-nine thousand, two hundred eighty-four".