492891969 has 8 divisors (see below), whose sum is σ = 663331680. Its totient is φ = 325523456.

The previous prime is 492891967. The next prime is 492892009. The reversal of 492891969 is 969198294.

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 492891969 - 2¹ = 492891967 is a prime.

It is a super-2 number, since 2×492891969² = 485884986209393922, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (492891967) 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, 767424 + ... + 768065.

It is an arithmetic number, because the mean of its divisors is an integer number (82916460).

Almost surely, 2^492891969 is an apocalyptic number.

It is an amenable number.

492891969 is a deficient number, since it is larger than the sum of its proper divisors (170439711).

492891969 is a wasteful number, since it uses less digits than its factorization.

492891969 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1535599.

The product of its digits is 2519424, while the sum is 57.

The square root of 492891969 is about 22201.1704421186. The cubic root of 492891969 is about 789.9214625765.

The spelling of 492891969 in words is "four hundred ninety-two million, eight hundred ninety-one thousand, nine hundred sixty-nine".