490653 has 6 divisors (see below), whose sum is σ = 708734. Its totient is φ = 327096.

The previous prime is 490643. The next prime is 490661. The reversal of 490653 is 356094.

It is a happy number.

490653 is a `hidden beast` number, since 4 + 9 + 0 + 653 = 666.

It can be written as a sum of positive squares in only one way, i.e., 480249 + 10404 = 693^2 + 102^2 .

It is not a de Polignac number, because 490653 - 2¹⁷ = 359581 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 (490643) 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 5 ways as a sum of consecutive naturals, for example, 27250 + ... + 27267.

2⁴⁹⁰⁶⁵³ is an apocalyptic number.

It is an amenable number.

490653 is a deficient number, since it is larger than the sum of its proper divisors (218081).

490653 is a wasteful number, since it uses less digits than its factorization.

490653 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54523 (or 54520 counting only the distinct ones).

The product of its (nonzero) digits is 3240, while the sum is 27.

The square root of 490653 is about 700.4662732780. The cubic root of 490653 is about 78.8723570316.

The spelling of 490653 in words is "four hundred ninety thousand, six hundred fifty-three".