260407 has 4 divisors (see below), whose sum is σ = 297616. Its totient is φ = 223200.

The previous prime is 260399. The next prime is 260411. The reversal of 260407 is 704062.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 260407 - 2³ = 260399 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (260417) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18594 + ... + 18607.

It is an arithmetic number, because the mean of its divisors is an integer number (74404).

2²⁶⁰⁴⁰⁷ is an apocalyptic number.

260407 is a deficient number, since it is larger than the sum of its proper divisors (37209).

260407 is an equidigital number, since it uses as much as digits as its factorization.

260407 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37208.

The product of its (nonzero) digits is 336, while the sum is 19.

The square root of 260407 is about 510.3008916316. The cubic root of 260407 is about 63.8583292062.

Adding to 260407 its reverse (704062), we get a palindrome (964469).

The spelling of 260407 in words is "two hundred sixty thousand, four hundred seven".