490837 has 2 divisors, whose sum is σ = 490838. Its totient is φ = 490836.

The previous prime is 490829. The next prime is 490849. The reversal of 490837 is 738094.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 298116 + 192721 = 546^2 + 439^2 .

It is a cyclic number.

It is not a de Polignac number, because 490837 - 2³ = 490829 is a prime.

It is a Chen prime.

490837 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 490799 and 490808.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (490877) 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 as a sum of consecutive naturals, namely, 245418 + 245419.

It is an arithmetic number, because the mean of its divisors is an integer number (245419).

2⁴⁹⁰⁸³⁷ is an apocalyptic number.

It is an amenable number.

490837 is a deficient number, since it is larger than the sum of its proper divisors (1).

490837 is an equidigital number, since it uses as much as digits as its factorization.

490837 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6048, while the sum is 31.

The square root of 490837 is about 700.5976020513. The cubic root of 490837 is about 78.8822151187.

The spelling of 490837 in words is "four hundred ninety thousand, eight hundred thirty-seven".