489386790 has 96 divisors (see below), whose sum is σ = 1313953056. Its totient is φ = 126282240.

The previous prime is 489386773. The next prime is 489386839. The reversal of 489386790 is 97683984.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 935469 + ... + 935991.

It is an arithmetic number, because the mean of its divisors is an integer number (13687011).

Almost surely, 2^489386790 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 489386790, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (656976528).

489386790 is an abundant number, since it is smaller than the sum of its proper divisors (824566266).

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

489386790 is a wasteful number, since it uses less digits than its factorization.

489386790 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 854 (or 851 counting only the distinct ones).

The product of its (nonzero) digits is 2612736, while the sum is 54.

The square root of 489386790 is about 22122.0882829809. The cubic root of 489386790 is about 788.0445092830.

The spelling of 489386790 in words is "four hundred eighty-nine million, three hundred eighty-six thousand, seven hundred ninety".