492347091 has 4 divisors (see below), whose sum is σ = 656462792. Its totient is φ = 328231392.

The previous prime is 492347069. The next prime is 492347111. The reversal of 492347091 is 190743294.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 492347091 - 2⁵ = 492347059 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (492347491) 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, 82057846 + ... + 82057851.

It is an arithmetic number, because the mean of its divisors is an integer number (164115698).

Almost surely, 2^492347091 is an apocalyptic number.

492347091 is a deficient number, since it is larger than the sum of its proper divisors (164115701).

492347091 is a wasteful number, since it uses less digits than its factorization.

492347091 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 164115700.

The product of its (nonzero) digits is 54432, while the sum is 39.

The square root of 492347091 is about 22188.8956687799. The cubic root of 492347091 is about 789.6302767092.

The spelling of 492347091 in words is "four hundred ninety-two million, three hundred forty-seven thousand, ninety-one".