492489768 has 32 divisors (see below), whose sum is σ = 1232393760. Its totient is φ = 164007360.

The previous prime is 492489757. The next prime is 492489769. The reversal of 492489768 is 867984294.

It is not an unprimeable number, because it can be changed into a prime (492489769) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17623 + ... + 35993.

It is an arithmetic number, because the mean of its divisors is an integer number (38512305).

Almost surely, 2^492489768 is an apocalyptic number.

It is an amenable number.

492489768 is an abundant number, since it is smaller than the sum of its proper divisors (739903992).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

492489768 is a wasteful number, since it uses less digits than its factorization.

492489768 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19497 (or 19493 counting only the distinct ones).

The product of its digits is 6967296, while the sum is 57.

The square root of 492489768 is about 22192.1104899917. The cubic root of 492489768 is about 789.7065448542.

The spelling of 492489768 in words is "four hundred ninety-two million, four hundred eighty-nine thousand, seven hundred sixty-eight".