284361 has 16 divisors (see below), whose sum is σ = 473088. Its totient is φ = 147600.

The previous prime is 284357. The next prime is 284369. The reversal of 284361 is 163482.

It is a happy number.

It is not a de Polignac number, because 284361 - 2² = 284357 is a prime.

It is a super-2 number, since 2×284361² = 161722356642, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (284369) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 385 + ... + 846.

It is an arithmetic number, because the mean of its divisors is an integer number (29568).

2²⁸⁴³⁶¹ is an apocalyptic number.

284361 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

284361 is a deficient number, since it is larger than the sum of its proper divisors (188727).

284361 is a wasteful number, since it uses less digits than its factorization.

284361 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1252.

The product of its digits is 1152, while the sum is 24.

The square root of 284361 is about 533.2550984285. The cubic root of 284361 is about 65.7592236960.

The spelling of 284361 in words is "two hundred eighty-four thousand, three hundred sixty-one".