284942 has 8 divisors (see below), whose sum is σ = 488496. Its totient is φ = 122112.

The previous prime is 284927. The next prime is 284957. The reversal of 284942 is 249482.

It is an interprime number because it is at equal distance from previous prime (284927) and next prime (284957).

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

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 284942.

It is an unprimeable number.

284942 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, 10163 + ... + 10190.

It is an arithmetic number, because the mean of its divisors is an integer number (61062).

2²⁸⁴⁹⁴² is an apocalyptic number.

284942 is a deficient number, since it is larger than the sum of its proper divisors (203554).

284942 is a wasteful number, since it uses less digits than its factorization.

284942 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20362.

The product of its digits is 4608, while the sum is 29.

The square root of 284942 is about 533.7995878605. The cubic root of 284942 is about 65.8039791510.

The spelling of 284942 in words is "two hundred eighty-four thousand, nine hundred forty-two".