489967590 has 32 divisors (see below), whose sum is σ = 1343911680. Its totient is φ = 111992544.

The previous prime is 489967561. The next prime is 489967603. The reversal of 489967590 is 95769984.

It is a self number, because there is not a number n which added to its sum of digits gives 489967590.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1166380 + ... + 1166799.

It is an arithmetic number, because the mean of its divisors is an integer number (41997240).

Almost surely, 2^489967590 is an apocalyptic number.

489967590 is an abundant number, since it is smaller than the sum of its proper divisors (853944090).

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

489967590 is a wasteful number, since it uses less digits than its factorization.

489967590 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2333196.

The product of its (nonzero) digits is 4898880, while the sum is 57.

The square root of 489967590 is about 22135.2115417947. The cubic root of 489967590 is about 788.3561341683.

The spelling of 489967590 in words is "four hundred eighty-nine million, nine hundred sixty-seven thousand, five hundred ninety".