268464289 has 8 divisors (see below), whose sum is σ = 288151560. Its totient is φ = 249209856.

The previous prime is 268464283. The next prime is 268464293. The reversal of 268464289 is 982464862.

It can be written as a sum of positive squares in 4 ways, for example, as 110082064 + 158382225 = 10492^2 + 12585^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 268464289 - 2¹¹ = 268462241 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (268464283) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 106924 + ... + 109405.

It is an arithmetic number, because the mean of its divisors is an integer number (36018945).

Almost surely, 2^268464289 is an apocalyptic number.

It is an amenable number.

268464289 is a deficient number, since it is larger than the sum of its proper divisors (19687271).

268464289 is a wasteful number, since it uses less digits than its factorization.

268464289 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 216419.

The product of its digits is 1327104, while the sum is 49.

The square root of 268464289 is about 16384.8798897032. The cubic root of 268464289 is about 645.1026729969.

The spelling of 268464289 in words is "two hundred sixty-eight million, four hundred sixty-four thousand, two hundred eighty-nine".