492892791 has 4 divisors (see below), whose sum is σ = 657190392. Its totient is φ = 328595192.

The previous prime is 492892723. The next prime is 492892811. The reversal of 492892791 is 197298294.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 492892791 - 2¹³ = 492884599 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (492892291) 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, 82148796 + ... + 82148801.

It is an arithmetic number, because the mean of its divisors is an integer number (164297598).

Almost surely, 2^492892791 is an apocalyptic number.

492892791 is a deficient number, since it is larger than the sum of its proper divisors (164297601).

492892791 is a wasteful number, since it uses less digits than its factorization.

492892791 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 164297600.

The product of its digits is 653184, while the sum is 51.

The square root of 492892791 is about 22201.1889546484. The cubic root of 492892791 is about 789.9219016958.

The spelling of 492892791 in words is "four hundred ninety-two million, eight hundred ninety-two thousand, seven hundred ninety-one".