280674 has 24 divisors (see below), whose sum is σ = 628992. Its totient is φ = 90360.

The previous prime is 280673. The next prime is 280681. The reversal of 280674 is 476082.

It is not an unprimeable number, because it can be changed into a prime (280673) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 307 + ... + 809.

It is an arithmetic number, because the mean of its divisors is an integer number (26208).

2²⁸⁰⁶⁷⁴ is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 280674, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (314496).

280674 is an abundant number, since it is smaller than the sum of its proper divisors (348318).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

280674 is a wasteful number, since it uses less digits than its factorization.

280674 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 542 (or 539 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 27.

The square root of 280674 is about 529.7867495512. The cubic root of 280674 is about 65.4737769668.

The spelling of 280674 in words is "two hundred eighty thousand, six hundred seventy-four".