283493 has 4 divisors (see below), whose sum is σ = 324000. Its totient is φ = 242988.

The previous prime is 283489. The next prime is 283501. The reversal of 283493 is 394382.

283493 is nontrivially palindromic in base 14.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 283493 - 2² = 283489 is a prime.

It is a d-powerful number, because it can be written as 2¹³ + 8 + 4⁹ + 3³ + 9⁴ + 3⁸ .

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (283403) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20243 + ... + 20256.

It is an arithmetic number, because the mean of its divisors is an integer number (81000).

2²⁸³⁴⁹³ is an apocalyptic number.

It is an amenable number.

283493 is a deficient number, since it is larger than the sum of its proper divisors (40507).

283493 is an equidigital number, since it uses as much as digits as its factorization.

283493 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40506.

The product of its digits is 5184, while the sum is 29.

The square root of 283493 is about 532.4406070164. The cubic root of 283493 is about 65.6922464125.

Subtracting 283493 from its reverse (394382), we obtain a square (110889 = 333²).

The spelling of 283493 in words is "two hundred eighty-three thousand, four hundred ninety-three".