260487385 has 16 divisors (see below), whose sum is σ = 318551040. Its totient is φ = 204431040.

The previous prime is 260487377. The next prime is 260487431. The reversal of 260487385 is 583784062.

It is not a de Polignac number, because 260487385 - 2³ = 260487377 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 145204 + ... + 146986.

It is an arithmetic number, because the mean of its divisors is an integer number (19909440).

Almost surely, 2^260487385 is an apocalyptic number.

It is an amenable number.

260487385 is a deficient number, since it is larger than the sum of its proper divisors (58063655).

260487385 is a wasteful number, since it uses less digits than its factorization.

260487385 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2328.

The product of its (nonzero) digits is 322560, while the sum is 43.

The square root of 260487385 is about 16139.6215878812. The cubic root of 260487385 is about 638.6489933639.

It can be divided in two parts, 26048 and 7385, that added together give a palindrome (33433).

The spelling of 260487385 in words is "two hundred sixty million, four hundred eighty-seven thousand, three hundred eighty-five".