268866345 has 32 divisors (see below), whose sum is σ = 477005184. Its totient is φ = 128217600.

The previous prime is 268866341. The next prime is 268866349. The reversal of 268866345 is 543668862.

It is an interprime number because it is at equal distance from previous prime (268866341) and next prime (268866349).

It is not a de Polignac number, because 268866345 - 2² = 268866341 is a prime.

It is a super-2 number, since 2×268866345² = 144578222947318050, which contains 22 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 268866294 and 268866303.

It is not an unprimeable number, because it can be changed into a prime (268866341) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3292 + ... + 23421.

It is an arithmetic number, because the mean of its divisors is an integer number (14906412).

Almost surely, 2^268866345 is an apocalyptic number.

It is an amenable number.

268866345 is a deficient number, since it is larger than the sum of its proper divisors (208138839).

268866345 is a wasteful number, since it uses less digits than its factorization.

268866345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26793.

The product of its digits is 1658880, while the sum is 48.

The square root of 268866345 is about 16397.1444160256. The cubic root of 268866345 is about 645.4245507302.

The spelling of 268866345 in words is "two hundred sixty-eight million, eight hundred sixty-six thousand, three hundred forty-five".