490648 has 8 divisors (see below), whose sum is σ = 919980. Its totient is φ = 245320.

The previous prime is 490643. The next prime is 490661. The reversal of 490648 is 846094.

490648 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-3 number, since 3×490648³ = 354349115792933376, which contains 333 as substring.

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 (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30658 + ... + 30673.

2⁴⁹⁰⁶⁴⁸ is an apocalyptic number.

It is an amenable number.

490648 is a deficient number, since it is larger than the sum of its proper divisors (429332).

490648 is a wasteful number, since it uses less digits than its factorization.

490648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61337 (or 61333 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 31.

The square root of 490648 is about 700.4627042177. The cubic root of 490648 is about 78.8720891144.

The spelling of 490648 in words is "four hundred ninety thousand, six hundred forty-eight".