47984889 has 8 divisors (see below), whose sum is σ = 64260160. Its totient is φ = 31849776.

The previous prime is 47984887. The next prime is 47984891. The reversal of 47984889 is 98848974.

It is an interprime number because it is at equal distance from previous prime (47984887) and next prime (47984891).

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

It is not a de Polignac number, because 47984889 - 2¹ = 47984887 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (47984887) 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, 34237 + ... + 35610.

It is an arithmetic number, because the mean of its divisors is an integer number (8032520).

Almost surely, 2^47984889 is an apocalyptic number.

It is an amenable number.

47984889 is a deficient number, since it is larger than the sum of its proper divisors (16275271).

47984889 is a wasteful number, since it uses less digits than its factorization.

47984889 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70079.

The product of its digits is 4644864, while the sum is 57.

The square root of 47984889 is about 6927.1126019432. The cubic root of 47984889 is about 363.3859777453.

The spelling of 47984889 in words is "forty-seven million, nine hundred eighty-four thousand, eight hundred eighty-nine".