284495 has 8 divisors (see below), whose sum is σ = 361584. Its totient is φ = 214144.

The previous prime is 284489. The next prime is 284507. The reversal of 284495 is 594482.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-284495 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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, 1589 + ... + 1758.

It is an arithmetic number, because the mean of its divisors is an integer number (45198).

2²⁸⁴⁴⁹⁵ is an apocalyptic number.

284495 is a deficient number, since it is larger than the sum of its proper divisors (77089).

284495 is a wasteful number, since it uses less digits than its factorization.

284495 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3369.

The product of its digits is 11520, while the sum is 32.

The square root of 284495 is about 533.3807270609. The cubic root of 284495 is about 65.7695513572.

The spelling of 284495 in words is "two hundred eighty-four thousand, four hundred ninety-five".