280572 has 24 divisors (see below), whose sum is σ = 663936. Its totient is φ = 92208.

The previous prime is 280561. The next prime is 280583. The reversal of 280572 is 275082.

It is an interprime number because it is at equal distance from previous prime (280561) and next prime (280583).

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 280572.

It is an unprimeable number.

280572 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1123 + ... + 1349.

It is an arithmetic number, because the mean of its divisors is an integer number (27664).

2²⁸⁰⁵⁷² is an apocalyptic number.

It is an amenable number.

280572 is an abundant number, since it is smaller than the sum of its proper divisors (383364).

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

280572 is a wasteful number, since it uses less digits than its factorization.

280572 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 337 (or 335 counting only the distinct ones).

The product of its (nonzero) digits is 1120, while the sum is 24.

The square root of 280572 is about 529.6904756554. The cubic root of 280572 is about 65.4658447104.

The spelling of 280572 in words is "two hundred eighty thousand, five hundred seventy-two".