490436659 has 8 divisors (see below), whose sum is σ = 512064000. Its totient is φ = 468834696.

The previous prime is 490436651. The next prime is 490436693. The reversal of 490436659 is 956634094.

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

It is a cyclic number.

It is not a de Polignac number, because 490436659 - 2³ = 490436651 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (490436651) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 40644 + ... + 51310.

It is an arithmetic number, because the mean of its divisors is an integer number (64008000).

Almost surely, 2^490436659 is an apocalyptic number.

490436659 is a deficient number, since it is larger than the sum of its proper divisors (21627341).

490436659 is a wasteful number, since it uses less digits than its factorization.

490436659 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12689.

The product of its (nonzero) digits is 699840, while the sum is 46.

The square root of 490436659 is about 22145.8045462340. The cubic root of 490436659 is about 788.6076307210.

The spelling of 490436659 in words is "four hundred ninety million, four hundred thirty-six thousand, six hundred fifty-nine".