492818 has 8 divisors (see below), whose sum is σ = 743040. Its totient is φ = 245140.

The previous prime is 492799. The next prime is 492839. The reversal of 492818 is 818294.

It is a happy number.

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

It is a super-2 number, since 2×492818² = 485739162248, which contains 22 as substring.

It is a nialpdrome in base 14.

It is an unprimeable number.

492818 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 38 + ... + 993.

It is an arithmetic number, because the mean of its divisors is an integer number (92880).

2⁴⁹²⁸¹⁸ is an apocalyptic number.

492818 is a deficient number, since it is larger than the sum of its proper divisors (250222).

492818 is a wasteful number, since it uses less digits than its factorization.

492818 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1272.

The product of its digits is 4608, while the sum is 32.

The square root of 492818 is about 702.0099714392. The cubic root of 492818 is about 78.9881945720.

The spelling of 492818 in words is "four hundred ninety-two thousand, eight hundred eighteen".