283278 has 16 divisors (see below), whose sum is σ = 585216. Its totient is φ = 91320.

The previous prime is 283277. The next prime is 283289. The reversal of 283278 is 872382.

It is a Curzon number.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 283278.

It is not an unprimeable number, because it can be changed into a prime (283277) 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, 576 + ... + 947.

It is an arithmetic number, because the mean of its divisors is an integer number (36576).

2²⁸³²⁷⁸ is an apocalyptic number.

283278 is an abundant number, since it is smaller than the sum of its proper divisors (301938).

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

283278 is a wasteful number, since it uses less digits than its factorization.

283278 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1559.

The product of its digits is 5376, while the sum is 30.

The square root of 283278 is about 532.2386682683. The cubic root of 283278 is about 65.6756352969.

It can be divided in two parts, 283 and 278, that added together give a triangular number (561 = T₃₃).

The spelling of 283278 in words is "two hundred eighty-three thousand, two hundred seventy-eight".