490805673 has 8 divisors (see below), whose sum is σ = 654510048. Its totient is φ = 327152544.

The previous prime is 490805659. The next prime is 490805677. The reversal of 490805673 is 376508094.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 490805673 - 2⁵ = 490805641 is a prime.

It is not an unprimeable number, because it can be changed into a prime (490805677) 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 7 ways as a sum of consecutive naturals, for example, 29565 + ... + 43077.

It is an arithmetic number, because the mean of its divisors is an integer number (81813756).

Almost surely, 2^490805673 is an apocalyptic number.

It is an amenable number.

490805673 is a deficient number, since it is larger than the sum of its proper divisors (163704375).

490805673 is a wasteful number, since it uses less digits than its factorization.

490805673 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25623.

The product of its (nonzero) digits is 181440, while the sum is 42.

The square root of 490805673 is about 22154.1344448390. The cubic root of 490805673 is about 788.8053689983.

The spelling of 490805673 in words is "four hundred ninety million, eight hundred five thousand, six hundred seventy-three".