268308285 has 16 divisors (see below), whose sum is σ = 490621056. Its totient is φ = 122655168.

The previous prime is 268308251. The next prime is 268308301. The reversal of 268308285 is 582803862.

It is not a de Polignac number, because 268308285 - 2⁶ = 268308221 is a prime.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1277554 + ... + 1277763.

It is an arithmetic number, because the mean of its divisors is an integer number (30663816).

Almost surely, 2^268308285 is an apocalyptic number.

It is an amenable number.

268308285 is a deficient number, since it is larger than the sum of its proper divisors (222312771).

268308285 is a wasteful number, since it uses less digits than its factorization.

268308285 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2555332.

The product of its (nonzero) digits is 184320, while the sum is 42.

The square root of 268308285 is about 16380.1185893143. The cubic root of 268308285 is about 644.9776928767.

The spelling of 268308285 in words is "two hundred sixty-eight million, three hundred eight thousand, two hundred eighty-five".