489437 has 4 divisors (see below), whose sum is σ = 527100. Its totient is φ = 451776.

The previous prime is 489431. The next prime is 489439. The reversal of 489437 is 734984.

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 290521 + 198916 = 539^2 + 446^2 .

It is a de Polignac number, because none of the positive numbers 2^k-489437 is a prime.

It is a Duffinian number.

It is a plaindrome in base 16.

It is a zygodrome in base 16.

It is a junction number, because it is equal to n+sod(n) for n = 489397 and 489406.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (489431) 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, 18812 + ... + 18837.

It is an arithmetic number, because the mean of its divisors is an integer number (131775).

2⁴⁸⁹⁴³⁷ is an apocalyptic number.

It is an amenable number.

489437 is a deficient number, since it is larger than the sum of its proper divisors (37663).

489437 is a wasteful number, since it uses less digits than its factorization.

489437 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37662.

The product of its digits is 24192, while the sum is 35.

The square root of 489437 is about 699.5977415630. The cubic root of 489437 is about 78.8071458901.

The spelling of 489437 in words is "four hundred eighty-nine thousand, four hundred thirty-seven".