260393791 has 6 divisors (see below), whose sum is σ = 302907120. Its totient is φ = 223194636.

The previous prime is 260393779. The next prime is 260393801. The reversal of 260393791 is 197393062.

It is not a de Polignac number, because 260393791 - 2⁷ = 260393663 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 (260393191) 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 5 ways as a sum of consecutive naturals, for example, 2657031 + ... + 2657128.

It is an arithmetic number, because the mean of its divisors is an integer number (50484520).

Almost surely, 2^260393791 is an apocalyptic number.

260393791 is a deficient number, since it is larger than the sum of its proper divisors (42513329).

260393791 is an equidigital number, since it uses as much as digits as its factorization.

260393791 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5314173 (or 5314166 counting only the distinct ones).

The product of its (nonzero) digits is 61236, while the sum is 40.

The square root of 260393791 is about 16136.7218170234. The cubic root of 260393791 is about 638.5724946187.

The spelling of 260393791 in words is "two hundred sixty million, three hundred ninety-three thousand, seven hundred ninety-one".