490441879 has 2 divisors, whose sum is σ = 490441880. Its totient is φ = 490441878.

The previous prime is 490441867. The next prime is 490441907. The reversal of 490441879 is 978144094.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 490441879 - 2⁷ = 490441751 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (490441849) 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 as a sum of consecutive naturals, namely, 245220939 + 245220940.

It is an arithmetic number, because the mean of its divisors is an integer number (245220940).

Almost surely, 2^490441879 is an apocalyptic number.

490441879 is a deficient number, since it is larger than the sum of its proper divisors (1).

490441879 is an equidigital number, since it uses as much as digits as its factorization.

490441879 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 290304, while the sum is 46.

The square root of 490441879 is about 22145.9224012006. The cubic root of 490441879 is about 788.6104285795.

The spelling of 490441879 in words is "four hundred ninety million, four hundred forty-one thousand, eight hundred seventy-nine".