260787393 has 6 divisors (see below), whose sum is σ = 376692914. Its totient is φ = 173858256.

The previous prime is 260787379. The next prime is 260787413. The reversal of 260787393 is 393787062.

It is a happy number.

260787393 is a `hidden beast` number, since 2 + 607 + 8 + 7 + 39 + 3 = 666.

260787393 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., 169833024 + 90954369 = 13032^2 + 9537^2 .

It is not a de Polignac number, because 260787393 - 2⁴ = 260787377 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (260787323) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 14488180 + ... + 14488197.

Almost surely, 2^260787393 is an apocalyptic number.

It is an amenable number.

260787393 is a deficient number, since it is larger than the sum of its proper divisors (115905521).

260787393 is a wasteful number, since it uses less digits than its factorization.

260787393 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28976383 (or 28976380 counting only the distinct ones).

The product of its (nonzero) digits is 381024, while the sum is 45.

The square root of 260787393 is about 16148.9130593981. The cubic root of 260787393 is about 638.8940804698.

It can be divided in two parts, 2607 and 87393, that added together give a square (90000 = 300²).

The spelling of 260787393 in words is "two hundred sixty million, seven hundred eighty-seven thousand, three hundred ninety-three".