285296 has 20 divisors (see below), whose sum is σ = 603384. Its totient is φ = 129600.

The previous prime is 285289. The next prime is 285301. The reversal of 285296 is 692582.

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 285296.

It is an unprimeable number.

285296 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, 635 + ... + 986.

2²⁸⁵²⁹⁶ is an apocalyptic number.

It is an amenable number.

285296 is an abundant number, since it is smaller than the sum of its proper divisors (318088).

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

285296 is a wasteful number, since it uses less digits than its factorization.

285296 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1640 (or 1634 counting only the distinct ones).

The product of its digits is 8640, while the sum is 32.

The square root of 285296 is about 534.1310700568. The cubic root of 285296 is about 65.8312185758.

The spelling of 285296 in words is "two hundred eighty-five thousand, two hundred ninety-six".