285246 has 48 divisors (see below), whose sum is σ = 707616. Its totient is φ = 82368.

The previous prime is 285227. The next prime is 285251. The reversal of 285246 is 642582.

It is a congruent number.

It is an unprimeable number.

285246 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 23 ways as a sum of consecutive naturals, for example, 5356 + ... + 5408.

It is an arithmetic number, because the mean of its divisors is an integer number (14742).

2²⁸⁵²⁴⁶ is an apocalyptic number.

285246 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 285246, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (353808).

285246 is an abundant number, since it is smaller than the sum of its proper divisors (422370).

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

285246 is a wasteful number, since it uses less digits than its factorization.

285246 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97 (or 94 counting only the distinct ones).

The product of its digits is 3840, while the sum is 27.

The square root of 285246 is about 534.0842630147. The cubic root of 285246 is about 65.8273725665.

The spelling of 285246 in words is "two hundred eighty-five thousand, two hundred forty-six".