492273647 has 4 divisors (see below), whose sum is σ = 494772696. Its totient is φ = 489774600.

The previous prime is 492273631. The next prime is 492273667. The reversal of 492273647 is 746372294.

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 492273647 - 2⁴ = 492273631 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 492273598 and 492273607.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (492273667) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1249229 + ... + 1249622.

It is an arithmetic number, because the mean of its divisors is an integer number (123693174).

Almost surely, 2^492273647 is an apocalyptic number.

492273647 is a deficient number, since it is larger than the sum of its proper divisors (2499049).

492273647 is a wasteful number, since it uses less digits than its factorization.

492273647 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2499048.

The product of its digits is 508032, while the sum is 44.

The square root of 492273647 is about 22187.2406351038. The cubic root of 492273647 is about 789.5910113948.

The spelling of 492273647 in words is "four hundred ninety-two million, two hundred seventy-three thousand, six hundred forty-seven".