489432005 has 4 divisors (see below), whose sum is σ = 587318412. Its totient is φ = 391545600.

The previous prime is 489431953. The next prime is 489432007. The reversal of 489432005 is 500234984.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 351862564 + 137569441 = 18758^2 + 11729^2 .

It is not a de Polignac number, because 489432005 - 2⁶ = 489431941 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (489432007) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 48943196 + ... + 48943205.

It is an arithmetic number, because the mean of its divisors is an integer number (146829603).

Almost surely, 2^489432005 is an apocalyptic number.

It is an amenable number.

489432005 is a deficient number, since it is larger than the sum of its proper divisors (97886407).

489432005 is an equidigital number, since it uses as much as digits as its factorization.

489432005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97886406.

The product of its (nonzero) digits is 34560, while the sum is 35.

The square root of 489432005 is about 22123.1102017777. The cubic root of 489432005 is about 788.0687779773.

Adding to 489432005 its reverse (500234984), we get a palindrome (989666989).

The spelling of 489432005 in words is "four hundred eighty-nine million, four hundred thirty-two thousand, five".