489490704 has 30 divisors (see below), whose sum is σ = 1369894526. Its totient is φ = 163163520.

The previous prime is 489490699. The next prime is 489490709. The reversal of 489490704 is 407094984.

It is an interprime number because it is at equal distance from previous prime (489490699) and next prime (489490709).

It can be written as a sum of positive squares in only one way, i.e., 283855104 + 205635600 = 16848^2 + 14340^2 .

It is a super-2 number, since 2×489490704² = 479202298604831232, which contains 22 as substring.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 489490704.

It is not an unprimeable number, because it can be changed into a prime (489490709) by changing a digit.

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 5 ways as a sum of consecutive naturals, for example, 1699477 + ... + 1699764.

Almost surely, 2^489490704 is an apocalyptic number.

It is an amenable number.

489490704 is an abundant number, since it is smaller than the sum of its proper divisors (880403822).

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

489490704 is a wasteful number, since it uses less digits than its factorization.

489490704 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3399255 (or 3399246 counting only the distinct ones).

The product of its (nonzero) digits is 290304, while the sum is 45.

The square root of 489490704 is about 22124.4368063913. The cubic root of 489490704 is about 788.1002818427.

The spelling of 489490704 in words is "four hundred eighty-nine million, four hundred ninety thousand, seven hundred four".