490783826 has 8 divisors (see below), whose sum is σ = 792804684. Its totient is φ = 226515600.

The previous prime is 490783807. The next prime is 490783861. The reversal of 490783826 is 628387094.

It can be written as a sum of positive squares in 2 ways, for example, as 488365801 + 2418025 = 22099^2 + 1555^2 .

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

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 3 ways as a sum of consecutive naturals, for example, 9438125 + ... + 9438176.

Almost surely, 2^490783826 is an apocalyptic number.

490783826 is a deficient number, since it is larger than the sum of its proper divisors (302020858).

490783826 is a wasteful number, since it uses less digits than its factorization.

490783826 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18876316.

The product of its (nonzero) digits is 580608, while the sum is 47.

The square root of 490783826 is about 22153.6413711155. The cubic root of 490783826 is about 788.7936649183.

The spelling of 490783826 in words is "four hundred ninety million, seven hundred eighty-three thousand, eight hundred twenty-six".