268396745 has 8 divisors (see below), whose sum is σ = 322234440. Its totient is φ = 214611840.

The previous prime is 268396727. The next prime is 268396753. The reversal of 268396745 is 547693862.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 118897216 + 149499529 = 10904^2 + 12227^2 .

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

It is a de Polignac number, because none of the positive numbers 2^k-268396745 is a prime.

It is a super-3 number, since 3×268396745³ (a number of 26 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 268396693 and 268396702.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 980 + ... + 23189.

It is an arithmetic number, because the mean of its divisors is an integer number (40279305).

Almost surely, 2^268396745 is an apocalyptic number.

It is an amenable number.

268396745 is a deficient number, since it is larger than the sum of its proper divisors (53837695).

268396745 is a wasteful number, since it uses less digits than its factorization.

268396745 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26395.

The product of its digits is 2177280, while the sum is 50.

The square root of 268396745 is about 16382.8185914390. The cubic root of 268396745 is about 645.0485671419.

The spelling of 268396745 in words is "two hundred sixty-eight million, three hundred ninety-six thousand, seven hundred forty-five".