905317668 has 48 divisors (see below), whose sum is σ = 2382170560. Its totient is φ = 297266112.

The previous prime is 905317667. The next prime is 905317717. The reversal of 905317668 is 866713509.

It is a happy number.

905317668 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a zygodrome in base 6.

It is not an unprimeable number, because it can be changed into a prime (905317661) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 55321 + ... + 69792.

Almost surely, 2^905317668 is an apocalyptic number.

It is an amenable number.

905317668 is an abundant number, since it is smaller than the sum of its proper divisors (1476852892).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

905317668 is a wasteful number, since it uses less digits than its factorization.

905317668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 125193 (or 125185 counting only the distinct ones).

The product of its (nonzero) digits is 272160, while the sum is 45.

The square root of 905317668 is about 30088.4972705517. The cubic root of 905317668 is about 967.3871895390.

The spelling of 905317668 in words is "nine hundred five million, three hundred seventeen thousand, six hundred sixty-eight".