490535839 has 2 divisors, whose sum is σ = 490535840. Its totient is φ = 490535838.

The previous prime is 490535819. The next prime is 490535879. The reversal of 490535839 is 938535094.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 490535839 - 2⁵ = 490535807 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (490535819) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 245267919 + 245267920.

It is an arithmetic number, because the mean of its divisors is an integer number (245267920).

Almost surely, 2^490535839 is an apocalyptic number.

490535839 is a deficient number, since it is larger than the sum of its proper divisors (1).

490535839 is an equidigital number, since it uses as much as digits as its factorization.

490535839 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 583200, while the sum is 46.

The square root of 490535839 is about 22148.0436833595. The cubic root of 490535839 is about 788.6607866393.

The spelling of 490535839 in words is "four hundred ninety million, five hundred thirty-five thousand, eight hundred thirty-nine".