492674187 has 4 divisors (see below), whose sum is σ = 656898920. Its totient is φ = 328449456.

The previous prime is 492674179. The next prime is 492674197. The reversal of 492674187 is 781476294.

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

It is not a de Polignac number, because 492674187 - 2³ = 492674179 is a prime.

It is a super-2 number, since 2×492674187² = 485455709072221938, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (492674137) 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, 82112362 + ... + 82112367.

It is an arithmetic number, because the mean of its divisors is an integer number (164224730).

Almost surely, 2^492674187 is an apocalyptic number.

492674187 is a deficient number, since it is larger than the sum of its proper divisors (164224733).

492674187 is a wasteful number, since it uses less digits than its factorization.

492674187 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 164224732.

The product of its digits is 677376, while the sum is 48.

The square root of 492674187 is about 22196.2651588054. The cubic root of 492674187 is about 789.8051044088.

The spelling of 492674187 in words is "four hundred ninety-two million, six hundred seventy-four thousand, one hundred eighty-seven".