283928 has 8 divisors (see below), whose sum is σ = 532380. Its totient is φ = 141960.

The previous prime is 283909. The next prime is 283937. The reversal of 283928 is 829382.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (8).

It is a junction number, because it is equal to n+sod(n) for n = 283894 and 283903.

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, 17738 + ... + 17753.

2²⁸³⁹²⁸ is an apocalyptic number.

It is an amenable number.

283928 is a deficient number, since it is larger than the sum of its proper divisors (248452).

283928 is a wasteful number, since it uses less digits than its factorization.

283928 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35497 (or 35493 counting only the distinct ones).

The product of its digits is 6912, while the sum is 32.

The square root of 283928 is about 532.8489467007. The cubic root of 283928 is about 65.7258292801.

The spelling of 283928 in words is "two hundred eighty-three thousand, nine hundred twenty-eight".