260305956 has 27 divisors (see below), whose sum is σ = 658240401. Its totient is φ = 86736384.

The previous prime is 260305939. The next prime is 260305957. The reversal of 260305956 is 659503062.

The square root of 260305956 is 16134.

It is a perfect power (a square), and thus also a powerful number.

260305956 is a `hidden beast` number, since 2 + 60 + 3 + 0 + 595 + 6 = 666.

260305956 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 9400356 + 250905600 = 3066^2 + 15840^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 260305956.

It is not an unprimeable number, because it can be changed into a prime (260305957) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 95460 + ... + 98148.

Almost surely, 2^260305956 is an apocalyptic number.

260305956 is the 16134-th square number.

It is an amenable number.

260305956 is an abundant number, since it is smaller than the sum of its proper divisors (397934445).

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

260305956 is an equidigital number, since it uses as much as digits as its factorization.

260305956 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5388 (or 2694 counting only the distinct ones).

The product of its (nonzero) digits is 48600, while the sum is 36.

The cubic root of 260305956 is about 638.5006862976.

Multiplying 260305956 by its sum of digits (36), we get a square (9371014416 = 96804²).

260305956 divided by its sum of digits (36) gives a square (7230721 = 2689²).

The spelling of 260305956 in words is "two hundred sixty million, three hundred five thousand, nine hundred fifty-six".