492817 has 8 divisors (see below), whose sum is σ = 536256. Its totient is φ = 450192.

The previous prime is 492799. The next prime is 492839. The reversal of 492817 is 718294.

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 492817 - 2¹¹ = 490769 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a nialpdrome in base 14.

It is not an unprimeable number, because it can be changed into a prime (492017) 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, 2058 + ... + 2284.

It is an arithmetic number, because the mean of its divisors is an integer number (67032).

2⁴⁹²⁸¹⁷ is an apocalyptic number.

It is an amenable number.

492817 is a deficient number, since it is larger than the sum of its proper divisors (43439).

492817 is a wasteful number, since it uses less digits than its factorization.

492817 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 407.

The product of its digits is 4032, while the sum is 31.

The square root of 492817 is about 702.0092591982. The cubic root of 492817 is about 78.9881411457.

The spelling of 492817 in words is "four hundred ninety-two thousand, eight hundred seventeen".