492687193 has 4 divisors (see below), whose sum is σ = 492970960. Its totient is φ = 492403428.

The previous prime is 492687187. The next prime is 492687197. The reversal of 492687193 is 391786294.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 391786294 = 2 ⋅195893147.

It is a cyclic number.

It is not a de Polignac number, because 492687193 - 2⁵ = 492687161 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (492687197) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 139263 + ... + 142756.

It is an arithmetic number, because the mean of its divisors is an integer number (123242740).

Almost surely, 2^492687193 is an apocalyptic number.

It is an amenable number.

492687193 is a deficient number, since it is larger than the sum of its proper divisors (283767).

492687193 is a wasteful number, since it uses less digits than its factorization.

492687193 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 283766.

The product of its digits is 653184, while the sum is 49.

The square root of 492687193 is about 22196.5581340892. The cubic root of 492687193 is about 789.8120543127.

The spelling of 492687193 in words is "four hundred ninety-two million, six hundred eighty-seven thousand, one hundred ninety-three".