498040859 has 2 divisors, whose sum is σ = 498040860. Its totient is φ = 498040858.

The previous prime is 498040853. The next prime is 498040937. The reversal of 498040859 is 958040894.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-498040859 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (498040853) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 249020429 + 249020430.

It is an arithmetic number, because the mean of its divisors is an integer number (249020430).

Almost surely, 2^498040859 is an apocalyptic number.

498040859 is a deficient number, since it is larger than the sum of its proper divisors (1).

498040859 is an equidigital number, since it uses as much as digits as its factorization.

498040859 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 414720, while the sum is 47.

The square root of 498040859 is about 22316.8290534296. The cubic root of 498040859 is about 792.6625215752.

The spelling of 498040859 in words is "four hundred ninety-eight million, forty thousand, eight hundred fifty-nine".