492784291 has 4 divisors (see below), whose sum is σ = 500862784. Its totient is φ = 484705800.

The previous prime is 492784283. The next prime is 492784307. The reversal of 492784291 is 192487294.

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 492784291 - 2³ = 492784283 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (492784231) 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 3 ways as a sum of consecutive naturals, for example, 4039155 + ... + 4039276.

It is an arithmetic number, because the mean of its divisors is an integer number (125215696).

Almost surely, 2^492784291 is an apocalyptic number.

492784291 is a deficient number, since it is larger than the sum of its proper divisors (8078493).

492784291 is an equidigital number, since it uses as much as digits as its factorization.

492784291 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8078492.

The product of its digits is 290304, while the sum is 46.

The square root of 492784291 is about 22198.7452573338. The cubic root of 492784291 is about 789.8639358680.

The spelling of 492784291 in words is "four hundred ninety-two million, seven hundred eighty-four thousand, two hundred ninety-one".