492387009 has 8 divisors (see below), whose sum is σ = 674259840. Its totient is φ = 319386096.

The previous prime is 492386933. The next prime is 492387047. The reversal of 492387009 is 900783294.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 492387009 - 2⁹ = 492386497 is a prime.

It is not an unprimeable number, because it can be changed into a prime (492387089) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2217849 + ... + 2218070.

It is an arithmetic number, because the mean of its divisors is an integer number (84282480).

Almost surely, 2^492387009 is an apocalyptic number.

It is an amenable number.

492387009 is a deficient number, since it is larger than the sum of its proper divisors (181872831).

492387009 is a wasteful number, since it uses less digits than its factorization.

492387009 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4435959.

The product of its (nonzero) digits is 108864, while the sum is 42.

The square root of 492387009 is about 22189.7951545299. The cubic root of 492387009 is about 789.6516164037.

The spelling of 492387009 in words is "four hundred ninety-two million, three hundred eighty-seven thousand, nine".