284975 has 6 divisors (see below), whose sum is σ = 353400. Its totient is φ = 227960.

The previous prime is 284969. The next prime is 284989. The reversal of 284975 is 579482.

It is a happy number.

It is not a de Polignac number, because 284975 - 2¹² = 280879 is a prime.

It is a plaindrome in base 12.

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 284975.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5675 + ... + 5724.

It is an arithmetic number, because the mean of its divisors is an integer number (58900).

2²⁸⁴⁹⁷⁵ is an apocalyptic number.

284975 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

284975 is a deficient number, since it is larger than the sum of its proper divisors (68425).

284975 is a wasteful number, since it uses less digits than its factorization.

284975 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11409 (or 11404 counting only the distinct ones).

The product of its digits is 20160, while the sum is 35.

The square root of 284975 is about 533.8304974428. The cubic root of 284975 is about 65.8065193726.

The spelling of 284975 in words is "two hundred eighty-four thousand, nine hundred seventy-five".