260947356 has 12 divisors (see below), whose sum is σ = 608877192. Its totient is φ = 86982448.

The previous prime is 260947339. The next prime is 260947369. The reversal of 260947356 is 653749062.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10872795 + ... + 10872818.

It is an arithmetic number, because the mean of its divisors is an integer number (50739766).

Almost surely, 2^260947356 is an apocalyptic number.

It is an amenable number.

260947356 is an abundant number, since it is smaller than the sum of its proper divisors (347929836).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

260947356 is a wasteful number, since it uses less digits than its factorization.

260947356 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21745620 (or 21745618 counting only the distinct ones).

The product of its (nonzero) digits is 272160, while the sum is 42.

The square root of 260947356 is about 16153.8650483406. The cubic root of 260947356 is about 639.0246830574.

The spelling of 260947356 in words is "two hundred sixty million, nine hundred forty-seven thousand, three hundred fifty-six".