489790 has 16 divisors (see below), whose sum is σ = 1007712. Its totient is φ = 167904.

The previous prime is 489761. The next prime is 489791. The reversal of 489790 is 97984.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (489791) by changing a digit.

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, 3429 + ... + 3568.

It is an arithmetic number, because the mean of its divisors is an integer number (62982).

2⁴⁸⁹⁷⁹⁰ is an apocalyptic number.

489790 is an abundant number, since it is smaller than the sum of its proper divisors (517922).

It is a weird number, because it is abundant, but not a pseudoperfect number.

489790 is a wasteful number, since it uses less digits than its factorization.

489790 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7011.

The product of its (nonzero) digits is 18144, while the sum is 37.

The square root of 489790 is about 699.8499839251. The cubic root of 489790 is about 78.8260875429.

The spelling of 489790 in words is "four hundred eighty-nine thousand, seven hundred ninety".