260487 has 12 divisors (see below), whose sum is σ = 381264. Its totient is φ = 171360.

The previous prime is 260483. The next prime is 260489. The reversal of 260487 is 784062.

It is not a de Polignac number, because 260487 - 2² = 260483 is a prime.

It is a zygodrome in base 2.

It is a self number, because there is not a number n which added to its sum of digits gives 260487.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (260483) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 787 + ... + 1067.

It is an arithmetic number, because the mean of its divisors is an integer number (31772).

2²⁶⁰⁴⁸⁷ is an apocalyptic number.

260487 is a deficient number, since it is larger than the sum of its proper divisors (120777).

260487 is a wasteful number, since it uses less digits than its factorization.

260487 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 390 (or 387 counting only the distinct ones).

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

The square root of 260487 is about 510.3792707389. The cubic root of 260487 is about 63.8648678723.

Adding to 260487 its product of nonzero digits (2688), we get a triangular number (263175 = T₇₂₅).

It can be divided in two parts, 260 and 487, that added together give a palindrome (747).

The spelling of 260487 in words is "two hundred sixty thousand, four hundred eighty-seven".