284091 has 8 divisors (see below), whose sum is σ = 381264. Its totient is φ = 188160.

The previous prime is 284083. The next prime is 284093. The reversal of 284091 is 190482.

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

It is not a de Polignac number, because 284091 - 2³ = 284083 is a prime.

284091 is a lucky number.

It is a plaindrome in base 16.

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 284091.

It is not an unprimeable number, because it can be changed into a prime (284093) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 675 + ... + 1011.

It is an arithmetic number, because the mean of its divisors is an integer number (47658).

2²⁸⁴⁰⁹¹ is an apocalyptic number.

284091 is a deficient number, since it is larger than the sum of its proper divisors (97173).

284091 is a wasteful number, since it uses less digits than its factorization.

284091 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 621.

The product of its (nonzero) digits is 576, while the sum is 24.

The square root of 284091 is about 533.0018761693. The cubic root of 284091 is about 65.7384043703.

The spelling of 284091 in words is "two hundred eighty-four thousand, ninety-one".