268694285 has 4 divisors (see below), whose sum is σ = 322433148. Its totient is φ = 214955424.

The previous prime is 268694273. The next prime is 268694287. The reversal of 268694285 is 582496862.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 27730756 + 240963529 = 5266^2 + 15523^2 .

It is a cyclic number.

It is not a de Polignac number, because 268694285 - 2⁶ = 268694221 is a prime.

It is a super-2 number, since 2×268694285² = 144393237583322450, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (268694287) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26869424 + ... + 26869433.

It is an arithmetic number, because the mean of its divisors is an integer number (80608287).

Almost surely, 2^268694285 is an apocalyptic number.

It is an amenable number.

268694285 is a deficient number, since it is larger than the sum of its proper divisors (53738863).

268694285 is an equidigital number, since it uses as much as digits as its factorization.

268694285 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53738862.

The product of its digits is 1658880, while the sum is 50.

The square root of 268694285 is about 16391.8969311059. The cubic root of 268694285 is about 645.2868423512.

The spelling of 268694285 in words is "two hundred sixty-eight million, six hundred ninety-four thousand, two hundred eighty-five".