260238789 has 12 divisors (see below), whose sum is σ = 377463372. Its totient is φ = 172771200.

The previous prime is 260238757. The next prime is 260238809. The reversal of 260238789 is 987832062.

260238789 is a `hidden beast` number, since 2 + 602 + 38 + 7 + 8 + 9 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 79121025 + 181117764 = 8895^2 + 13458^2 .

It is not a de Polignac number, because 260238789 - 2⁵ = 260238757 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (260238739) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 57822 + ... + 62159.

It is an arithmetic number, because the mean of its divisors is an integer number (31455281).

Almost surely, 2^260238789 is an apocalyptic number.

It is an amenable number.

260238789 is a deficient number, since it is larger than the sum of its proper divisors (117224583).

260238789 is a wasteful number, since it uses less digits than its factorization.

260238789 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 120228 (or 120225 counting only the distinct ones).

The product of its (nonzero) digits is 290304, while the sum is 45.

The square root of 260238789 is about 16131.9183298205. The cubic root of 260238789 is about 638.4457639216.

The spelling of 260238789 in words is "two hundred sixty million, two hundred thirty-eight thousand, seven hundred eighty-nine".