283888 has 20 divisors (see below), whose sum is σ = 600408. Its totient is φ = 128960.

The previous prime is 283873. The next prime is 283909. The reversal of 283888 is 888382.

It is a congruent number.

It is an unprimeable number.

283888 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 631 + ... + 982.

2²⁸³⁸⁸⁸ is an apocalyptic number.

It is an amenable number.

283888 is an abundant number, since it is smaller than the sum of its proper divisors (316520).

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

283888 is a wasteful number, since it uses less digits than its factorization.

283888 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1632 (or 1626 counting only the distinct ones).

The product of its digits is 24576, while the sum is 37.

The square root of 283888 is about 532.8114112892. The cubic root of 283888 is about 65.7227426329.

It can be divided in two parts, 2838 and 88, that added together give a triangular number (2926 = T₇₆).

The spelling of 283888 in words is "two hundred eighty-three thousand, eight hundred eighty-eight".