283947 has 4 divisors (see below), whose sum is σ = 378600. Its totient is φ = 189296.

The previous prime is 283937. The next prime is 283949. The reversal of 283947 is 749382.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 283947 - 2¹⁵ = 251179 is a prime.

It is a D-number.

283947 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (283949) 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, 47322 + ... + 47327.

It is an arithmetic number, because the mean of its divisors is an integer number (94650).

2²⁸³⁹⁴⁷ is an apocalyptic number.

283947 is a deficient number, since it is larger than the sum of its proper divisors (94653).

283947 is an equidigital number, since it uses as much as digits as its factorization.

283947 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94652.

The product of its digits is 12096, while the sum is 33.

The square root of 283947 is about 532.8667750949. The cubic root of 283947 is about 65.7272953359.

The spelling of 283947 in words is "two hundred eighty-three thousand, nine hundred forty-seven".