260690 has 16 divisors (see below), whose sum is σ = 475200. Its totient is φ = 102960.

The previous prime is 260677. The next prime is 260713. The reversal of 260690 is 96062.

It is a super-2 number, since 2×260690² = 135918552200, which contains 22 as substring.

It is an unprimeable 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 7 ways as a sum of consecutive naturals, for example, 1211 + ... + 1409.

It is an arithmetic number, because the mean of its divisors is an integer number (29700).

2²⁶⁰⁶⁹⁰ is an apocalyptic number.

260690 is a deficient number, since it is larger than the sum of its proper divisors (214510).

260690 is a wasteful number, since it uses less digits than its factorization.

260690 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 337.

The product of its (nonzero) digits is 648, while the sum is 23.

The square root of 260690 is about 510.5781037217. The cubic root of 260690 is about 63.8814537311.

The spelling of 260690 in words is "two hundred sixty thousand, six hundred ninety".