492608491 has 4 divisors (see below), whose sum is σ = 505922272. Its totient is φ = 479294712.

The previous prime is 492608461. The next prime is 492608513. The reversal of 492608491 is 194806294.

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 492608491 - 2⁹ = 492607979 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (492608401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6656835 + ... + 6656908.

It is an arithmetic number, because the mean of its divisors is an integer number (126480568).

Almost surely, 2^492608491 is an apocalyptic number.

492608491 is a deficient number, since it is larger than the sum of its proper divisors (13313781).

492608491 is a wasteful number, since it uses less digits than its factorization.

492608491 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13313780.

The product of its (nonzero) digits is 124416, while the sum is 43.

The square root of 492608491 is about 22194.7852208576. The cubic root of 492608491 is about 789.7699971351.

The spelling of 492608491 in words is "four hundred ninety-two million, six hundred eight thousand, four hundred ninety-one".