47289816 has 96 divisors (see below), whose sum is σ = 147981600. Its totient is φ = 13363200.

The previous prime is 47289793. The next prime is 47289829. The reversal of 47289816 is 61898274.

47289816 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a nude number because it is divisible by every one of its digits.

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 23 ways as a sum of consecutive naturals, for example, 50440 + ... + 51368.

It is an arithmetic number, because the mean of its divisors is an integer number (1541475).

Almost surely, 2^47289816 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 47289816, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (73990800).

47289816 is an abundant number, since it is smaller than the sum of its proper divisors (100691784).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

47289816 is a wasteful number, since it uses less digits than its factorization.

47289816 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1049 (or 1042 counting only the distinct ones).

The product of its digits is 193536, while the sum is 45.

The square root of 47289816 is about 6876.7591203997. The cubic root of 47289816 is about 361.6228584435.

The spelling of 47289816 in words is "forty-seven million, two hundred eighty-nine thousand, eight hundred sixteen".