489438337 has 4 divisors (see below), whose sum is σ = 489615876. Its totient is φ = 489260800.

The previous prime is 489438293. The next prime is 489438349. The reversal of 489438337 is 733834984.

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 382750096 + 106688241 = 19564^2 + 10329^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-489438337 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (489468337) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 84568 + ... + 90169.

It is an arithmetic number, because the mean of its divisors is an integer number (122403969).

Almost surely, 2^489438337 is an apocalyptic number.

It is an amenable number.

489438337 is a deficient number, since it is larger than the sum of its proper divisors (177539).

489438337 is a wasteful number, since it uses less digits than its factorization.

489438337 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 177538.

The product of its digits is 1741824, while the sum is 49.

The square root of 489438337 is about 22123.2533095836. The cubic root of 489438337 is about 788.0721764950.

The spelling of 489438337 in words is "four hundred eighty-nine million, four hundred thirty-eight thousand, three hundred thirty-seven".