498537839 has 2 divisors, whose sum is σ = 498537840. Its totient is φ = 498537838.

The previous prime is 498537797. The next prime is 498537899. The reversal of 498537839 is 938735894.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 498537839 - 2⁸ = 498537583 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (498537899) 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, 249268919 + 249268920.

It is an arithmetic number, because the mean of its divisors is an integer number (249268920).

Almost surely, 2^498537839 is an apocalyptic number.

498537839 is a deficient number, since it is larger than the sum of its proper divisors (1).

498537839 is an equidigital number, since it uses as much as digits as its factorization.

498537839 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6531840, while the sum is 56.

The square root of 498537839 is about 22327.9609234699. The cubic root of 498537839 is about 792.9260919581.

It can be divided in two parts, 4985 and 37839, that added together give a palindrome (42824).

The spelling of 498537839 in words is "four hundred ninety-eight million, five hundred thirty-seven thousand, eight hundred thirty-nine".