283897216 has 16 divisors (see below), whose sum is σ = 565576740. Its totient is φ = 141948544.

The previous prime is 283897213. The next prime is 283897217. The reversal of 283897216 is 612798382.

283897216 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (16).

It is a Smith number, since the sum of its digits (46) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (283897213) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1108846 + ... + 1109101.

Almost surely, 2^283897216 is an apocalyptic number.

It is an amenable number.

283897216 is a deficient number, since it is larger than the sum of its proper divisors (281679524).

283897216 is an equidigital number, since it uses as much as digits as its factorization.

283897216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2217961 (or 2217949 counting only the distinct ones).

The product of its digits is 290304, while the sum is 46.

The square root of 283897216 is about 16849.2497162337. The cubic root of 283897216 is about 657.2345382212.

The spelling of 283897216 in words is "two hundred eighty-three million, eight hundred ninety-seven thousand, two hundred sixteen".