47216 has 20 divisors (see below), whose sum is σ = 98952. Its totient is φ = 21696.

The previous prime is 47207. The next prime is 47221. The reversal of 47216 is 61274.

It is an alternating number because its digits alternate between even and odd.

It is a nialpdrome in base 16.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 95 + ... + 321.

2⁴⁷²¹⁶ 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 47216, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (49476).

47216 is an abundant number, since it is smaller than the sum of its proper divisors (51736).

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

47216 is a wasteful number, since it uses less digits than its factorization.

47216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 248 (or 242 counting only the distinct ones).

The product of its digits is 336, while the sum is 20.

The square root of 47216 is about 217.2924296887. The cubic root of 47216 is about 36.1434604706.

The spelling of 47216 in words is "forty-seven thousand, two hundred sixteen".