492922857 has 16 divisors (see below), whose sum is σ = 753146240. Its totient is φ = 280910592.

The previous prime is 492922853. The next prime is 492922873. The reversal of 492922857 is 758229294.

It is not a de Polignac number, because 492922857 - 2² = 492922853 is a prime.

It is not an unprimeable number, because it can be changed into a prime (492922853) 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 15 ways as a sum of consecutive naturals, for example, 23632 + ... + 39297.

It is an arithmetic number, because the mean of its divisors is an integer number (47071640).

Almost surely, 2^492922857 is an apocalyptic number.

It is an amenable number.

492922857 is a deficient number, since it is larger than the sum of its proper divisors (260223383).

492922857 is a wasteful number, since it uses less digits than its factorization.

492922857 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63312.

The product of its digits is 725760, while the sum is 48.

The square root of 492922857 is about 22201.8660702203. The cubic root of 492922857 is about 789.9379628687.

The spelling of 492922857 in words is "four hundred ninety-two million, nine hundred twenty-two thousand, eight hundred fifty-seven".