260830309 has 8 divisors (see below), whose sum is σ = 274776480. Its totient is φ = 246906000.

The previous prime is 260830291. The next prime is 260830391. The reversal of 260830309 is 903038062.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 260830309 - 2⁷ = 260830181 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (260830709) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22839 + ... + 32299.

It is an arithmetic number, because the mean of its divisors is an integer number (34347060).

Almost surely, 2^260830309 is an apocalyptic number.

It is an amenable number.

260830309 is a deficient number, since it is larger than the sum of its proper divisors (13946171).

260830309 is a wasteful number, since it uses less digits than its factorization.

260830309 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10931.

The product of its (nonzero) digits is 7776, while the sum is 31.

The square root of 260830309 is about 16150.2417628963. The cubic root of 260830309 is about 638.9291246925.

The spelling of 260830309 in words is "two hundred sixty million, eight hundred thirty thousand, three hundred nine".