285368 has 8 divisors (see below), whose sum is σ = 535080. Its totient is φ = 142680.

The previous prime is 285343. The next prime is 285377. The reversal of 285368 is 863582.

It is a tau number, because it is divible by the number of its divisors (8).

It is a d-powerful number, because it can be written as 2¹¹ + 8 + 3⁵ + 5⁵ + 6⁷ + 8 .

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 285368.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17828 + ... + 17843.

It is an arithmetic number, because the mean of its divisors is an integer number (66885).

2²⁸⁵³⁶⁸ is an apocalyptic number.

It is an amenable number.

285368 is a deficient number, since it is larger than the sum of its proper divisors (249712).

285368 is a wasteful number, since it uses less digits than its factorization.

285368 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35677 (or 35673 counting only the distinct ones).

The product of its digits is 11520, while the sum is 32.

The square root of 285368 is about 534.1984649922. The cubic root of 285368 is about 65.8367560399.

The spelling of 285368 in words is "two hundred eighty-five thousand, three hundred sixty-eight".