283485 has 8 divisors (see below), whose sum is σ = 453600. Its totient is φ = 151184.

The previous prime is 283463. The next prime is 283487. The reversal of 283485 is 584382.

283485 = T₃₀ + T₃₁ + ... + T₁₁₉.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 283485 - 2⁹ = 282973 is a prime.

It is a Curzon number.

283485 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (283487) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9435 + ... + 9464.

It is an arithmetic number, because the mean of its divisors is an integer number (56700).

2²⁸³⁴⁸⁵ is an apocalyptic number.

It is an amenable number.

283485 is a deficient number, since it is larger than the sum of its proper divisors (170115).

283485 is a wasteful number, since it uses less digits than its factorization.

283485 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18907.

The product of its digits is 7680, while the sum is 30.

The square root of 283485 is about 532.4330943884. The cubic root of 283485 is about 65.6916284749.

The spelling of 283485 in words is "two hundred eighty-three thousand, four hundred eighty-five".