260863897 has 24 divisors (see below), whose sum is σ = 310390080. Its totient is φ = 218544480.

The previous prime is 260863873. The next prime is 260863909. The reversal of 260863897 is 798368062.

It is not a de Polignac number, because 260863897 - 2¹⁹ = 260339609 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (49).

It is a self number, because there is not a number n which added to its sum of digits gives 260863897.

It is not an unprimeable number, because it can be changed into a prime (260863817) 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 23 ways as a sum of consecutive naturals, for example, 594004 + ... + 594442.

It is an arithmetic number, because the mean of its divisors is an integer number (12932920).

Almost surely, 2^260863897 is an apocalyptic number.

It is an amenable number.

260863897 is a deficient number, since it is larger than the sum of its proper divisors (49526183).

260863897 is a wasteful number, since it uses less digits than its factorization.

260863897 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 701 (or 694 counting only the distinct ones).

The product of its (nonzero) digits is 870912, while the sum is 49.

The square root of 260863897 is about 16151.2815900163. The cubic root of 260863897 is about 638.9565492026.

The spelling of 260863897 in words is "two hundred sixty million, eight hundred sixty-three thousand, eight hundred ninety-seven".