492218 has 16 divisors (see below), whose sum is σ = 808704. Its totient is φ = 223680.

The previous prime is 492113. The next prime is 492227. The reversal of 492218 is 812294.

492218 = 197² + 198² + ... + 208².

It is a Curzon number.

It is a plaindrome in base 5.

It is a zygodrome in base 5.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 492218.

It is an unprimeable number.

492218 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 7 ways as a sum of consecutive naturals, for example, 821 + ... + 1287.

It is an arithmetic number, because the mean of its divisors is an integer number (50544).

2⁴⁹²²¹⁸ is an apocalyptic number.

492218 is a deficient number, since it is larger than the sum of its proper divisors (316486).

492218 is a wasteful number, since it uses less digits than its factorization.

492218 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 517.

The product of its digits is 1152, while the sum is 26.

The square root of 492218 is about 701.5824969310. The cubic root of 492218 is about 78.9561258278.

The spelling of 492218 in words is "four hundred ninety-two thousand, two hundred eighteen".