492727689 has 24 divisors (see below), whose sum is σ = 743675712. Its totient is φ = 313774560.

The previous prime is 492727657. The next prime is 492727691. The reversal of 492727689 is 986727294.

492727689 is a `hidden beast` number, since 492 + 7 + 2 + 76 + 89 = 666.

It is not a de Polignac number, because 492727689 - 2⁵ = 492727657 is a prime.

It is not an unprimeable number, because it can be changed into a prime (492727639) 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 23 ways as a sum of consecutive naturals, for example, 230154 + ... + 232284.

It is an arithmetic number, because the mean of its divisors is an integer number (30986488).

Almost surely, 2^492727689 is an apocalyptic number.

It is an amenable number.

492727689 is a deficient number, since it is larger than the sum of its proper divisors (250948023).

492727689 is a wasteful number, since it uses less digits than its factorization.

492727689 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3277 (or 3274 counting only the distinct ones).

The product of its digits is 3048192, while the sum is 54.

The square root of 492727689 is about 22197.4703288460. The cubic root of 492727689 is about 789.8336930274.

The spelling of 492727689 in words is "four hundred ninety-two million, seven hundred twenty-seven thousand, six hundred eighty-nine".