489640302 has 20 divisors (see below), whose sum is σ = 1097157336. Its totient is φ = 163213380.

The previous prime is 489640289. The next prime is 489640303. The reversal of 489640302 is 203046984.

It is a happy number.

489640302 is a `hidden beast` number, since 4 + 8 + 9 + 640 + 3 + 0 + 2 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (489640303) by changing a digit.

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 9 ways as a sum of consecutive naturals, for example, 1511074 + ... + 1511397.

Almost surely, 2^489640302 is an apocalyptic number.

489640302 is an abundant number, since it is smaller than the sum of its proper divisors (607517034).

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

489640302 is a wasteful number, since it uses less digits than its factorization.

489640302 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3022485 (or 3022476 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 36.

The square root of 489640302 is about 22127.8173799406. The cubic root of 489640302 is about 788.1805599878.

The spelling of 489640302 in words is "four hundred eighty-nine million, six hundred forty thousand, three hundred two".