284194 has 4 divisors (see below), whose sum is σ = 426294. Its totient is φ = 142096.

The previous prime is 284191. The next prime is 284201. The reversal of 284194 is 491482.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 491482 = 2 ⋅245741.

It can be written as a sum of positive squares in only one way, i.e., 263169 + 21025 = 513^2 + 145^2 .

It is not an unprimeable number, because it can be changed into a prime (284191) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71047 + ... + 71050.

2²⁸⁴¹⁹⁴ is an apocalyptic number.

284194 is a deficient number, since it is larger than the sum of its proper divisors (142100).

284194 is a wasteful number, since it uses less digits than its factorization.

284194 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 142099.

The product of its digits is 2304, while the sum is 28.

The square root of 284194 is about 533.0984899622. The cubic root of 284194 is about 65.7463481131.

The spelling of 284194 in words is "two hundred eighty-four thousand, one hundred ninety-four".