260238969 has 6 divisors (see below), whose sum is σ = 375900746. Its totient is φ = 173492640.

The previous prime is 260238959. The next prime is 260238973. The reversal of 260238969 is 969832062.

260238969 is a `hidden beast` number, since 2 + 602 + 38 + 9 + 6 + 9 = 666.

It can be written as a sum of positive squares in only one way, i.e., 237314025 + 22924944 = 15405^2 + 4788^2 .

It is not a de Polignac number, because 260238969 - 2¹³ = 260230777 is a prime.

It is a super-2 number, since 2×260238969² = 135448641972365922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (260238919) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 14457712 + ... + 14457729.

Almost surely, 2^260238969 is an apocalyptic number.

It is an amenable number.

260238969 is a deficient number, since it is larger than the sum of its proper divisors (115661777).

260238969 is a wasteful number, since it uses less digits than its factorization.

260238969 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28915447 (or 28915444 counting only the distinct ones).

The product of its (nonzero) digits is 279936, while the sum is 45.

The square root of 260238969 is about 16131.9239088213. The cubic root of 260238969 is about 638.4459111200.

The spelling of 260238969 in words is "two hundred sixty million, two hundred thirty-eight thousand, nine hundred sixty-nine".