260606 has 4 divisors (see below), whose sum is σ = 390912. Its totient is φ = 130302.

The previous prime is 260587. The next prime is 260609. The reversal of 260606 is 606062.

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

260606 is a modest number, since divided by 606 gives 26 as remainder.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (260609) by changing a digit.

260606 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65150 + ... + 65153.

It is an arithmetic number, because the mean of its divisors is an integer number (97728).

2²⁶⁰⁶⁰⁶ is an apocalyptic number.

260606 is a deficient number, since it is larger than the sum of its proper divisors (130306).

260606 is a wasteful number, since it uses less digits than its factorization.

260606 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 130305.

The product of its (nonzero) digits is 432, while the sum is 20.

The square root of 260606 is about 510.4958373973. The cubic root of 260606 is about 63.8745916618.

Adding to 260606 its reverse (606062), we get a palindrome (866668).

The spelling of 260606 in words is "two hundred sixty thousand, six hundred six".