490644635 has 8 divisors (see below), whose sum is σ = 634063920. Its totient is φ = 362322144.

The previous prime is 490644631. The next prime is 490644641. The reversal of 490644635 is 536446094.

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 490644635 - 2² = 490644631 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 490644592 and 490644601.

It is not an unprimeable number, because it can be changed into a prime (490644631) 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, 3774125 + ... + 3774254.

It is an arithmetic number, because the mean of its divisors is an integer number (79257990).

Almost surely, 2^490644635 is an apocalyptic number.

490644635 is a deficient number, since it is larger than the sum of its proper divisors (143419285).

490644635 is a wasteful number, since it uses less digits than its factorization.

490644635 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7548397.

The product of its (nonzero) digits is 311040, while the sum is 41.

The square root of 490644635 is about 22150.4996557640. The cubic root of 490644635 is about 788.7190880514.

The spelling of 490644635 in words is "four hundred ninety million, six hundred forty-four thousand, six hundred thirty-five".