492891968 has 28 divisors (see below), whose sum is σ = 989083620. Its totient is φ = 243674112.

The previous prime is 492891967. The next prime is 492892009. The reversal of 492891968 is 869198294.

It can be written as a sum of positive squares in 2 ways, for example, as 42094144 + 450797824 = 6488^2 + 21232^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (492891967) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 37571 + ... + 48962.

It is an arithmetic number, because the mean of its divisors is an integer number (35324415).

Almost surely, 2^492891968 is an apocalyptic number.

It is an amenable number.

492891968 is an abundant number, since it is smaller than the sum of its proper divisors (496191652).

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

492891968 is an equidigital number, since it uses as much as digits as its factorization.

492891968 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86634 (or 86624 counting only the distinct ones).

The product of its digits is 2239488, while the sum is 56.

The square root of 492891968 is about 22201.1704195973. The cubic root of 492891968 is about 789.9214620423.

The spelling of 492891968 in words is "four hundred ninety-two million, eight hundred ninety-one thousand, nine hundred sixty-eight".