284998 has 8 divisors (see below), whose sum is σ = 488592. Its totient is φ = 122136.

The previous prime is 284989. The next prime is 285007. The reversal of 284998 is 899482.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (284989) and next prime (285007).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 284998.

It is a congruent number.

It is an unprimeable number.

284998 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, 10165 + ... + 10192.

It is an arithmetic number, because the mean of its divisors is an integer number (61074).

2²⁸⁴⁹⁹⁸ is an apocalyptic number.

284998 is a deficient number, since it is larger than the sum of its proper divisors (203594).

284998 is a wasteful number, since it uses less digits than its factorization.

284998 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20366.

The product of its digits is 41472, while the sum is 40.

The square root of 284998 is about 533.8520394267. The cubic root of 284998 is about 65.8082897142.

The spelling of 284998 in words is "two hundred eighty-four thousand, nine hundred ninety-eight".