492245817 has 40 divisors (see below), whose sum is σ = 786789696. Its totient is φ = 273532896.

The previous prime is 492245801. The next prime is 492245827. The reversal of 492245817 is 718542294.

It is not a de Polignac number, because 492245817 - 2⁴ = 492245801 is a prime.

It is not an unprimeable number, because it can be changed into a prime (492245827) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 265588 + ... + 267434.

Almost surely, 2^492245817 is an apocalyptic number.

It is an amenable number.

492245817 is a deficient number, since it is larger than the sum of its proper divisors (294543879).

492245817 is an equidigital number, since it uses as much as digits as its factorization.

492245817 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1915 (or 1894 counting only the distinct ones).

The product of its digits is 161280, while the sum is 42.

The square root of 492245817 is about 22186.6134639787. The cubic root of 492245817 is about 789.5761316411.

The spelling of 492245817 in words is "four hundred ninety-two million, two hundred forty-five thousand, eight hundred seventeen".