490812 has 24 divisors (see below), whose sum is σ = 1309056. Its totient is φ = 140208.

The previous prime is 490783. The next prime is 490829. The reversal of 490812 is 218094.

It is a congruent number.

It is an unprimeable number.

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, 2838 + ... + 3005.

It is an arithmetic number, because the mean of its divisors is an integer number (54544).

2⁴⁹⁰⁸¹² is an apocalyptic number.

490812 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

It is an amenable number.

490812 is an abundant number, since it is smaller than the sum of its proper divisors (818244).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

490812 is a wasteful number, since it uses less digits than its factorization.

490812 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5857 (or 5855 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 24.

The square root of 490812 is about 700.5797599132. The cubic root of 490812 is about 78.8808758493.

The spelling of 490812 in words is "four hundred ninety thousand, eight hundred twelve".