280894 has 12 divisors (see below), whose sum is σ = 438984. Its totient is φ = 134792.

The previous prime is 280883. The next prime is 280897. The reversal of 280894 is 498082.

It is a plaindrome in base 12.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (280897) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1599 + ... + 1765.

It is an arithmetic number, because the mean of its divisors is an integer number (36582).

2²⁸⁰⁸⁹⁴ is an apocalyptic number.

280894 is a deficient number, since it is larger than the sum of its proper divisors (158090).

280894 is a wasteful number, since it uses less digits than its factorization.

280894 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 227 (or 198 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 31.

The square root of 280894 is about 529.9943395924. The cubic root of 280894 is about 65.4908792148.

The spelling of 280894 in words is "two hundred eighty thousand, eight hundred ninety-four".