283490 has 8 divisors (see below), whose sum is σ = 510300. Its totient is φ = 113392.

The previous prime is 283489. The next prime is 283501. The reversal of 283490 is 94382.

It can be written as a sum of positive squares in 2 ways, for example, as 247009 + 36481 = 497^2 + 191^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14165 + ... + 14184.

2²⁸³⁴⁹⁰ is an apocalyptic number.

283490 is a deficient number, since it is larger than the sum of its proper divisors (226810).

283490 is a wasteful number, since it uses less digits than its factorization.

283490 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28356.

The product of its (nonzero) digits is 1728, while the sum is 26.

The square root of 283490 is about 532.4377897933. The cubic root of 283490 is about 65.6920146873.

The spelling of 283490 in words is "two hundred eighty-three thousand, four hundred ninety".