283530 has 32 divisors (see below), whose sum is σ = 733824. Its totient is φ = 69696.

The previous prime is 283519. The next prime is 283541. The reversal of 283530 is 35382.

283530 = T₅₉ + T₆₀ + ... + T₁₂₃.

It is an interprime number because it is at equal distance from previous prime (283519) and next prime (283541).

It is a junction number, because it is equal to n+sod(n) for n = 283497 and 283506.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 27 + ... + 753.

It is an arithmetic number, because the mean of its divisors is an integer number (22932).

2²⁸³⁵³⁰ is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 283530, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (366912).

283530 is an abundant number, since it is smaller than the sum of its proper divisors (450294).

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

283530 is a wasteful number, since it uses less digits than its factorization.

283530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 750.

The product of its (nonzero) digits is 720, while the sum is 21.

The square root of 283530 is about 532.4753515422. The cubic root of 283530 is about 65.6951042225.

The spelling of 283530 in words is "two hundred eighty-three thousand, five hundred thirty".