280234 has 8 divisors (see below), whose sum is σ = 427428. Its totient is φ = 137760.

The previous prime is 280229. The next prime is 280243. The reversal of 280234 is 432082.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 253009 + 27225 = 503^2 + 165^2 .

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

It is a plaindrome in base 16.

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, 1027 + ... + 1270.

2²⁸⁰²³⁴ is an apocalyptic number.

280234 is a deficient number, since it is larger than the sum of its proper divisors (147194).

280234 is a wasteful number, since it uses less digits than its factorization.

280234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2360.

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 280234 is about 529.3713252529. The cubic root of 280234 is about 65.4395456416.

The spelling of 280234 in words is "two hundred eighty thousand, two hundred thirty-four".