489737 has 4 divisors (see below), whose sum is σ = 494340. Its totient is φ = 485136.

The previous prime is 489733. The next prime is 489743. The reversal of 489737 is 737984.

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 440896 + 48841 = 664^2 + 221^2 .

It is a cyclic number.

It is not a de Polignac number, because 489737 - 2² = 489733 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 489737.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 489737.

It is not an unprimeable number, because it can be changed into a prime (489733) 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, 2138 + ... + 2355.

It is an arithmetic number, because the mean of its divisors is an integer number (123585).

2⁴⁸⁹⁷³⁷ is an apocalyptic number.

It is an amenable number.

489737 is a deficient number, since it is larger than the sum of its proper divisors (4603).

489737 is a wasteful number, since it uses less digits than its factorization.

489737 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4602.

The product of its digits is 42336, while the sum is 38.

The square root of 489737 is about 699.8121176430. The cubic root of 489737 is about 78.8232441928.

The spelling of 489737 in words is "four hundred eighty-nine thousand, seven hundred thirty-seven".