492986 has 16 divisors (see below), whose sum is σ = 811104. Its totient is φ = 223344.

The previous prime is 492979. The next prime is 493001. The reversal of 492986 is 689294.

It is a Curzon number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 492986.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1601 + ... + 1883.

It is an arithmetic number, because the mean of its divisors is an integer number (50694).

2⁴⁹²⁹⁸⁶ is an apocalyptic number.

492986 is a deficient number, since it is larger than the sum of its proper divisors (318118).

492986 is a wasteful number, since it uses less digits than its factorization.

492986 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 365.

The product of its digits is 31104, while the sum is 38.

The square root of 492986 is about 702.1296176633. The cubic root of 492986 is about 78.9971691556.

The spelling of 492986 in words is "four hundred ninety-two thousand, nine hundred eighty-six".