280596 has 24 divisors (see below), whose sum is σ = 666400. Its totient is φ = 91872.

The previous prime is 280591. The next prime is 280597. The reversal of 280596 is 695082.

280596 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-3 number, since 3×280596³ = 66277433379446208, which contains 333 as substring.

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 280596.

It is not an unprimeable number, because it can be changed into a prime (280591) by changing a digit.

280596 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 (5) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 630 + ... + 978.

2²⁸⁰⁵⁹⁶ is an apocalyptic number.

It is an amenable number.

280596 is an abundant number, since it is smaller than the sum of its proper divisors (385804).

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

280596 is a wasteful number, since it uses less digits than its factorization.

280596 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 423 (or 421 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 30.

The square root of 280596 is about 529.7131299109. The cubic root of 280596 is about 65.4677112966.

The spelling of 280596 in words is "two hundred eighty thousand, five hundred ninety-six".