47284889 has 8 divisors (see below), whose sum is σ = 49048320. Its totient is φ = 45536400.

The previous prime is 47284883. The next prime is 47284891. The reversal of 47284889 is 98848274.

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-47284889 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (47284883) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2927 + ... + 10155.

It is an arithmetic number, because the mean of its divisors is an integer number (6131040).

Almost surely, 2^47284889 is an apocalyptic number.

It is an amenable number.

47284889 is a deficient number, since it is larger than the sum of its proper divisors (1763431).

47284889 is a wasteful number, since it uses less digits than its factorization.

47284889 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7471.

The product of its digits is 1032192, while the sum is 50.

The square root of 47284889 is about 6876.4008754580. The cubic root of 47284889 is about 361.6102991664.

The spelling of 47284889 in words is "forty-seven million, two hundred eighty-four thousand, eight hundred eighty-nine".