280588 has 24 divisors (see below), whose sum is σ = 612864. Its totient is φ = 109200.

The previous prime is 280583. The next prime is 280589. The reversal of 280588 is 885082.

280588 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (280583) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 148 + ... + 763.

It is an arithmetic number, because the mean of its divisors is an integer number (25536).

2²⁸⁰⁵⁸⁸ is an apocalyptic number.

280588 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

280588 is an abundant number, since it is smaller than the sum of its proper divisors (332276).

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

280588 is a wasteful number, since it uses less digits than its factorization.

280588 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 933 (or 931 counting only the distinct ones).

The product of its (nonzero) digits is 5120, while the sum is 31.

The square root of 280588 is about 529.7055786000. The cubic root of 280588 is about 65.4670891130.

It can be divided in two parts, 280 and 588, that added together give a palindrome (868).

The spelling of 280588 in words is "two hundred eighty thousand, five hundred eighty-eight".