47003216 has 20 divisors (see below), whose sum is σ = 98074452. Its totient is φ = 21693696.

The previous prime is 47003213. The next prime is 47003219. The reversal of 47003216 is 61230074.

It is an interprime number because it is at equal distance from previous prime (47003213) and next prime (47003219).

It can be written as a sum of positive squares in 2 ways, for example, as 21196816 + 25806400 = 4604^2 + 5080^2 .

It is a junction number, because it is equal to n+sod(n) for n = 47003191 and 47003200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47003213) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 112781 + ... + 113196.

Almost surely, 2^47003216 is an apocalyptic number.

It is an amenable number.

47003216 is an abundant number, since it is smaller than the sum of its proper divisors (51071236).

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

47003216 is a wasteful number, since it uses less digits than its factorization.

47003216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 225998 (or 225992 counting only the distinct ones).

The product of its (nonzero) digits is 1008, while the sum is 23.

The square root of 47003216 is about 6855.8891472952. The cubic root of 47003216 is about 360.8908390209.

The spelling of 47003216 in words is "forty-seven million, three thousand, two hundred sixteen".