260784 has 30 divisors (see below), whose sum is σ = 730236. Its totient is φ = 86880.

The previous prime is 260773. The next prime is 260791. The reversal of 260784 is 487062.

It is an unprimeable number.

260784 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 5 ways as a sum of consecutive naturals, for example, 762 + ... + 1049.

2²⁶⁰⁷⁸⁴ is an apocalyptic number.

260784 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

260784 is an abundant number, since it is smaller than the sum of its proper divisors (469452).

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

260784 is a wasteful number, since it uses less digits than its factorization.

260784 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1825 (or 1816 counting only the distinct ones).

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

The square root of 260784 is about 510.6701479429. The cubic root of 260784 is about 63.8891309660.

The spelling of 260784 in words is "two hundred sixty thousand, seven hundred eighty-four".