260865386 has 8 divisors (see below), whose sum is σ = 391479264. Its totient is φ = 130372300.

The previous prime is 260865349. The next prime is 260865433. The reversal of 260865386 is 683568062.

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

It is a super-2 number, since 2×260865386² = 136101499225857992, which contains 22 as substring.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 24590 + ... + 33561.

It is an arithmetic number, because the mean of its divisors is an integer number (48934908).

Almost surely, 2^260865386 is an apocalyptic number.

260865386 is a deficient number, since it is larger than the sum of its proper divisors (130613878).

260865386 is a wasteful number, since it uses less digits than its factorization.

260865386 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60396.

The product of its (nonzero) digits is 414720, while the sum is 44.

The square root of 260865386 is about 16151.3276853638. The cubic root of 260865386 is about 638.9577649125.

The spelling of 260865386 in words is "two hundred sixty million, eight hundred sixty-five thousand, three hundred eighty-six".