260231393 has 8 divisors (see below), whose sum is σ = 275750568. Its totient is φ = 244735744.

The previous prime is 260231371. The next prime is 260231423. The reversal of 260231393 is 393132062.

It can be written as a sum of positive squares in 4 ways, for example, as 67354849 + 192876544 = 8207^2 + 13888^2 .

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 260231393 - 2¹⁸ = 259969249 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (260231303) 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 7 ways as a sum of consecutive naturals, for example, 20255 + ... + 30507.

It is an arithmetic number, because the mean of its divisors is an integer number (34468821).

Almost surely, 2^260231393 is an apocalyptic number.

It is an amenable number.

260231393 is a deficient number, since it is larger than the sum of its proper divisors (15519175).

260231393 is a wasteful number, since it uses less digits than its factorization.

260231393 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11763.

The product of its (nonzero) digits is 5832, while the sum is 29.

The square root of 260231393 is about 16131.6890932103. The cubic root of 260231393 is about 638.4397156437.

The spelling of 260231393 in words is "two hundred sixty million, two hundred thirty-one thousand, three hundred ninety-three".