283688028 has 192 divisors, whose sum is σ = 838942720. Its totient is φ = 82301184.

The previous prime is 283687939. The next prime is 283688033. The reversal of 283688028 is 820886382.

283688028 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2233701 + ... + 2233827.

Almost surely, 2^283688028 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 283688028, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (419471360).

283688028 is an abundant number, since it is smaller than the sum of its proper divisors (555254692).

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

283688028 is a wasteful number, since it uses less digits than its factorization.

283688028 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 233 (or 225 counting only the distinct ones).

The product of its (nonzero) digits is 294912, while the sum is 45.

The square root of 283688028 is about 16843.0409368380. The cubic root of 283688028 is about 657.0730720836.

The spelling of 283688028 in words is "two hundred eighty-three million, six hundred eighty-eight thousand, twenty-eight".