490658 has 16 divisors (see below), whose sum is σ = 851904. Its totient is φ = 207600.

The previous prime is 490643. The next prime is 490661. The reversal of 490658 is 856094.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 490658.

It is an unprimeable number.

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 in 7 ways as a sum of consecutive naturals, for example, 1241 + ... + 1587.

It is an arithmetic number, because the mean of its divisors is an integer number (53244).

2⁴⁹⁰⁶⁵⁸ is an apocalyptic number.

490658 is a deficient number, since it is larger than the sum of its proper divisors (361246).

490658 is a wasteful number, since it uses less digits than its factorization.

490658 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 457.

The product of its (nonzero) digits is 8640, while the sum is 32.

The square root of 490658 is about 700.4698423201. The cubic root of 490658 is about 78.8726249470.

The spelling of 490658 in words is "four hundred ninety thousand, six hundred fifty-eight".