490019 has 2 divisors, whose sum is σ = 490020. Its totient is φ = 490018.

The previous prime is 490003. The next prime is 490031. The reversal of 490019 is 910094.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 490019 - 2⁴ = 490003 is a prime.

It is a super-2 number, since 2×490019² = 480237240722, which contains 22 as substring.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 489976 and 490003.

It is not a weakly prime, because it can be changed into another prime (490519) by changing a digit.

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 as a sum of consecutive naturals, namely, 245009 + 245010.

It is an arithmetic number, because the mean of its divisors is an integer number (245010).

2⁴⁹⁰⁰¹⁹ is an apocalyptic number.

490019 is a deficient number, since it is larger than the sum of its proper divisors (1).

490019 is an equidigital number, since it uses as much as digits as its factorization.

490019 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 324, while the sum is 23.

The square root of 490019 is about 700.0135712970. The cubic root of 490019 is about 78.8383706041.

The spelling of 490019 in words is "four hundred ninety thousand, nineteen".