268354089 has 18 divisors (see below), whose sum is σ = 391783470. Its totient is φ = 177002496.

The previous prime is 268354069. The next prime is 268354091. The reversal of 268354089 is 980453862.

268354089 is a `hidden beast` number, since 26 + 8 + 3 + 540 + 89 = 666.

It can be written as a sum of positive squares in 3 ways, for example, as 66145689 + 202208400 = 8133^2 + 14220^2 .

It is not a de Polignac number, because 268354089 - 2¹³ = 268345897 is a prime.

It is not an unprimeable number, because it can be changed into a prime (268354049) 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 17 ways as a sum of consecutive naturals, for example, 83097 + ... + 86265.

Almost surely, 2^268354089 is an apocalyptic number.

It is an amenable number.

268354089 is a deficient number, since it is larger than the sum of its proper divisors (123429381).

268354089 is an equidigital number, since it uses as much as digits as its factorization.

268354089 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3369 (or 3269 counting only the distinct ones).

The product of its (nonzero) digits is 414720, while the sum is 45.

The square root of 268354089 is about 16381.5166880237. The cubic root of 268354089 is about 645.0143930446.

The spelling of 268354089 in words is "two hundred sixty-eight million, three hundred fifty-four thousand, eighty-nine".