492190172 has 6 divisors (see below), whose sum is σ = 861332808. Its totient is φ = 246095084.

The previous prime is 492190159. The next prime is 492190177. The reversal of 492190172 is 271091294.

It is a fibodiv number, since the Fibonacci-like sequence with seeds 492 and 190172 contains 492190172 itself.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (492190177) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61523768 + ... + 61523775.

It is an arithmetic number, because the mean of its divisors is an integer number (143555468).

Almost surely, 2^492190172 is an apocalyptic number.

It is an amenable number.

492190172 is a deficient number, since it is larger than the sum of its proper divisors (369142636).

492190172 is a wasteful number, since it uses less digits than its factorization.

492190172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 123047547 (or 123047545 counting only the distinct ones).

The product of its (nonzero) digits is 9072, while the sum is 35.

The square root of 492190172 is about 22185.3594065997. The cubic root of 492190172 is about 789.5463784717.

The spelling of 492190172 in words is "four hundred ninety-two million, one hundred ninety thousand, one hundred seventy-two".