283975 has 12 divisors (see below), whose sum is σ = 362824. Its totient is φ = 220320.

The previous prime is 283961. The next prime is 283979. The reversal of 283975 is 579382.

It is not a de Polignac number, because 283975 - 2⁹ = 283463 is a prime.

It is a Duffinian number.

283975 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 283975.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (283979) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 772 + ... + 1078.

2²⁸³⁹⁷⁵ is an apocalyptic number.

283975 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

283975 is a deficient number, since it is larger than the sum of its proper divisors (78849).

283975 is a wasteful number, since it uses less digits than its factorization.

283975 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 354 (or 349 counting only the distinct ones).

The product of its digits is 15120, while the sum is 34.

The square root of 283975 is about 532.8930474307. The cubic root of 283975 is about 65.7294557200.

The spelling of 283975 in words is "two hundred eighty-three thousand, nine hundred seventy-five".