492870917 has 8 divisors (see below), whose sum is σ = 614488512. Its totient is φ = 384055200.

The previous prime is 492870913. The next prime is 492870943. The reversal of 492870917 is 719078294.

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 492870917 - 2² = 492870913 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (492870913) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3200384 + ... + 3200537.

It is an arithmetic number, because the mean of its divisors is an integer number (76811064).

Almost surely, 2^492870917 is an apocalyptic number.

It is an amenable number.

492870917 is a deficient number, since it is larger than the sum of its proper divisors (121617595).

492870917 is a wasteful number, since it uses less digits than its factorization.

492870917 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6400939.

The product of its (nonzero) digits is 254016, while the sum is 47.

The square root of 492870917 is about 22200.6963179086. The cubic root of 492870917 is about 789.9102162559.

The spelling of 492870917 in words is "four hundred ninety-two million, eight hundred seventy thousand, nine hundred seventeen".