283128816 has 40 divisors (see below), whose sum is σ = 743414224. Its totient is φ = 92828160.

The previous prime is 283128803. The next prime is 283128817. The reversal of 283128816 is 618821382.

283128816 is digitally balanced in base 3, 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 not an unprimeable number, because it can be changed into a prime (283128817) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 45421 + ... + 51276.

Almost surely, 2^283128816 is an apocalyptic number.

It is an amenable number.

283128816 is an abundant number, since it is smaller than the sum of its proper divisors (460285408).

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

283128816 is a wasteful number, since it uses less digits than its factorization.

283128816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96769 (or 96763 counting only the distinct ones).

The product of its digits is 36864, while the sum is 39.

The square root of 283128816 is about 16826.4320638690. The cubic root of 283128816 is about 656.6410425152.

It can be divided in two parts, 28312 and 8816, that added together give a triangular number (37128 = T₂₇₂).

The spelling of 283128816 in words is "two hundred eighty-three million, one hundred twenty-eight thousand, eight hundred sixteen".