492388669 has 8 divisors (see below), whose sum is σ = 514020672. Its totient is φ = 470775360.

The previous prime is 492388661. The next prime is 492388681. The reversal of 492388669 is 966883294.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 492388669 - 2³ = 492388661 is a prime.

It is a super-2 number, since 2×492388669² = 484893202719183122, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (492388661) 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, 91477 + ... + 96709.

It is an arithmetic number, because the mean of its divisors is an integer number (64252584).

Almost surely, 2^492388669 is an apocalyptic number.

It is an amenable number.

492388669 is a deficient number, since it is larger than the sum of its proper divisors (21632003).

492388669 is a wasteful number, since it uses less digits than its factorization.

492388669 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9347.

The product of its digits is 4478976, while the sum is 55.

The square root of 492388669 is about 22189.8325590798. The cubic root of 492388669 is about 789.6525037953.

The spelling of 492388669 in words is "four hundred ninety-two million, three hundred eighty-eight thousand, six hundred sixty-nine".