492804681 has 16 divisors (see below), whose sum is σ = 667278720. Its totient is φ = 323447040.

The previous prime is 492804679. The next prime is 492804701. The reversal of 492804681 is 186408294.

It is not a de Polignac number, because 492804681 - 2¹ = 492804679 is a prime.

It is a super-2 number, since 2×492804681² = 485712907231023522, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (492804671) 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, 213771 + ... + 216063.

It is an arithmetic number, because the mean of its divisors is an integer number (41704920).

Almost surely, 2^492804681 is an apocalyptic number.

It is an amenable number.

492804681 is a deficient number, since it is larger than the sum of its proper divisors (174474039).

492804681 is a wasteful number, since it uses less digits than its factorization.

492804681 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3376.

The product of its (nonzero) digits is 110592, while the sum is 42.

The square root of 492804681 is about 22199.2045127748. The cubic root of 492804681 is about 789.8748298188.

The spelling of 492804681 in words is "four hundred ninety-two million, eight hundred four thousand, six hundred eighty-one".