283528 has 32 divisors (see below), whose sum is σ = 624960. Its totient is φ = 118080.

The previous prime is 283519. The next prime is 283541. The reversal of 283528 is 825382.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a junction number, because it is equal to n+sod(n) for n = 283496 and 283505.

It is a congruent number.

It is an unprimeable number.

283528 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3375 + ... + 3457.

It is an arithmetic number, because the mean of its divisors is an integer number (19530).

2²⁸³⁵²⁸ is an apocalyptic number.

283528 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 283528, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (312480).

283528 is an abundant number, since it is smaller than the sum of its proper divisors (341432).

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

283528 is a wasteful number, since it uses less digits than its factorization.

283528 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 157 (or 153 counting only the distinct ones).

The product of its digits is 3840, while the sum is 28.

The square root of 283528 is about 532.4734735177. The cubic root of 283528 is about 65.6949497526.

The spelling of 283528 in words is "two hundred eighty-three thousand, five hundred twenty-eight".