285034 has 8 divisors (see below), whose sum is σ = 435780. Its totient is φ = 139776.

The previous prime is 285031. The next prime is 285049. The reversal of 285034 is 430582.

It can be written as a sum of positive squares in 2 ways, for example, as 275625 + 9409 = 525^2 + 97^2 .

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

It is an Ulam number.

It is a junction number, because it is equal to n+sod(n) for n = 284996 and 285014.

It is not an unprimeable number, because it can be changed into a prime (285031) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1239 + ... + 1450.

2²⁸⁵⁰³⁴ is an apocalyptic number.

285034 is a deficient number, since it is larger than the sum of its proper divisors (150746).

285034 is a wasteful number, since it uses less digits than its factorization.

285034 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2744.

The product of its (nonzero) digits is 960, while the sum is 22.

The square root of 285034 is about 533.8857555695. The cubic root of 285034 is about 65.8110604923.

The spelling of 285034 in words is "two hundred eighty-five thousand, thirty-four".