268605308 has 18 divisors (see below), whose sum is σ = 486833256. Its totient is φ = 129669904.

The previous prime is 268605301. The next prime is 268605353. The reversal of 268605308 is 803506862.

It is a super-2 number, since 2×268605308² = 144297622971549728, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (268605301) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 36560 + ... + 43287.

It is an arithmetic number, because the mean of its divisors is an integer number (27046292).

Almost surely, 2^268605308 is an apocalyptic number.

It is an amenable number.

268605308 is a deficient number, since it is larger than the sum of its proper divisors (218227948).

268605308 is a wasteful number, since it uses less digits than its factorization.

268605308 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79909 (or 79878 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 38.

The square root of 268605308 is about 16389.1826519812. The cubic root of 268605308 is about 645.2156064654.

The spelling of 268605308 in words is "two hundred sixty-eight million, six hundred five thousand, three hundred eight".