283393 has 4 divisors (see below), whose sum is σ = 309168. Its totient is φ = 257620.

The previous prime is 283369. The next prime is 283397. The reversal of 283393 is 393382.

It is a happy number.

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 not a de Polignac number, because 283393 - 2⁹ = 282881 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (283397) 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, 12871 + ... + 12892.

It is an arithmetic number, because the mean of its divisors is an integer number (77292).

2²⁸³³⁹³ is an apocalyptic number.

It is an amenable number.

283393 is a deficient number, since it is larger than the sum of its proper divisors (25775).

283393 is a wasteful number, since it uses less digits than its factorization.

283393 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25774.

The product of its digits is 3888, while the sum is 28.

The square root of 283393 is about 532.3466915460. The cubic root of 283393 is about 65.6845213573.

It can be divided in two parts, 2833 and 93, that added together give a triangular number (2926 = T₇₆).

The spelling of 283393 in words is "two hundred eighty-three thousand, three hundred ninety-three".