260397 has 6 divisors (see below), whose sum is σ = 376142. Its totient is φ = 173592.

The previous prime is 260387. The next prime is 260399. The reversal of 260397 is 793062.

It can be written as a sum of positive squares in only one way, i.e., 224676 + 35721 = 474^2 + 189^2 .

It is not a de Polignac number, because 260397 - 2⁷ = 260269 is a prime.

It is a Duffinian number.

It is a zygodrome in base 8.

It is a self number, because there is not a number n which added to its sum of digits gives 260397.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (260399) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 14458 + ... + 14475.

2²⁶⁰³⁹⁷ is an apocalyptic number.

It is an amenable number.

260397 is a deficient number, since it is larger than the sum of its proper divisors (115745).

260397 is a wasteful number, since it uses less digits than its factorization.

260397 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28939 (or 28936 counting only the distinct ones).

The product of its (nonzero) digits is 2268, while the sum is 27.

The square root of 260397 is about 510.2910933967. The cubic root of 260397 is about 63.8575117788.

The spelling of 260397 in words is "two hundred sixty thousand, three hundred ninety-seven".