283984 has 10 divisors (see below), whose sum is σ = 550250. Its totient is φ = 141984.

The previous prime is 283979. The next prime is 284003. The reversal of 283984 is 489382.

It can be written as a sum of positive squares in only one way, i.e., 176400 + 107584 = 420^2 + 328^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8859 + ... + 8890.

It is an arithmetic number, because the mean of its divisors is an integer number (55025).

2²⁸³⁹⁸⁴ is an apocalyptic number.

It is an amenable number.

283984 is a deficient number, since it is larger than the sum of its proper divisors (266266).

283984 is a wasteful number, since it uses less digits than its factorization.

283984 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17757 (or 17751 counting only the distinct ones).

The product of its digits is 13824, while the sum is 34.

The square root of 283984 is about 532.9014918350. The cubic root of 283984 is about 65.7301500990.

The spelling of 283984 in words is "two hundred eighty-three thousand, nine hundred eighty-four".