498859 has 2 divisors, whose sum is σ = 498860. Its totient is φ = 498858.

The previous prime is 498857. The next prime is 498881. The reversal of 498859 is 958894.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 498859 - 2¹ = 498857 is a prime.

Together with 498857, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (498857) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 249429 + 249430.

It is an arithmetic number, because the mean of its divisors is an integer number (249430).

2⁴⁹⁸⁸⁵⁹ is an apocalyptic number.

498859 is a deficient number, since it is larger than the sum of its proper divisors (1).

498859 is an equidigital number, since it uses as much as digits as its factorization.

498859 is an evil number, because the sum of its binary digits is even.

The product of its digits is 103680, while the sum is 43.

The square root of 498859 is about 706.2995115388. The cubic root of 498859 is about 79.3096324621.

It can be divided in two parts, 49885 and 9, that added together give a palindrome (49894).

The spelling of 498859 in words is "four hundred ninety-eight thousand, eight hundred fifty-nine".