490044239 has 2 divisors, whose sum is σ = 490044240. Its totient is φ = 490044238.

The previous prime is 490044197. The next prime is 490044251. The reversal of 490044239 is 932440094.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 490044239 - 2¹² = 490040143 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 490044199 and 490044208.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (450044239) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 245022119 + 245022120.

It is an arithmetic number, because the mean of its divisors is an integer number (245022120).

Almost surely, 2^490044239 is an apocalyptic number.

490044239 is a deficient number, since it is larger than the sum of its proper divisors (1).

490044239 is an equidigital number, since it uses as much as digits as its factorization.

490044239 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 31104, while the sum is 35.

The square root of 490044239 is about 22136.9428557784. The cubic root of 490044239 is about 788.3972413489.

The spelling of 490044239 in words is "four hundred ninety million, forty-four thousand, two hundred thirty-nine".