492117868 has 12 divisors (see below), whose sum is σ = 939497832. Its totient is φ = 223689920.

The previous prime is 492117863. The next prime is 492117889. The reversal of 492117868 is 868711294.

It is not an unprimeable number, because it can be changed into a prime (492117863) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5592205 + ... + 5592292.

It is an arithmetic number, because the mean of its divisors is an integer number (78291486).

Almost surely, 2^492117868 is an apocalyptic number.

It is an amenable number.

492117868 is a deficient number, since it is larger than the sum of its proper divisors (447379964).

492117868 is a wasteful number, since it uses less digits than its factorization.

492117868 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11184512 (or 11184510 counting only the distinct ones).

The product of its digits is 193536, while the sum is 46.

The square root of 492117868 is about 22183.7298036196. The cubic root of 492117868 is about 789.5077144483.

The spelling of 492117868 in words is "four hundred ninety-two million, one hundred seventeen thousand, eight hundred sixty-eight".