280248 has 16 divisors (see below), whose sum is σ = 700680. Its totient is φ = 93408.

The previous prime is 280243. The next prime is 280249. The reversal of 280248 is 842082.

280248 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (24), and also a Moran number because the ratio is a prime number: 11677 = 280248 / (2 + 8 + 0 + 2 + 4 + 8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (280243) 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, 5815 + ... + 5862.

2²⁸⁰²⁴⁸ is an apocalyptic number.

It is an amenable number.

280248 is an abundant number, since it is smaller than the sum of its proper divisors (420432).

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

280248 is a wasteful number, since it uses less digits than its factorization.

280248 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11686 (or 11682 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 24.

The square root of 280248 is about 529.3845483200. The cubic root of 280248 is about 65.4406353718.

It can be divided in two parts, 2802 and 48, that added together give a triangular number (2850 = T₇₅).

The spelling of 280248 in words is "two hundred eighty thousand, two hundred forty-eight".