498659 has 4 divisors (see below), whose sum is σ = 569904. Its totient is φ = 427416.

The previous prime is 498653. The next prime is 498679. The reversal of 498659 is 956894.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 498659 - 2⁴ = 498643 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (498653) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 35612 + ... + 35625.

It is an arithmetic number, because the mean of its divisors is an integer number (142476).

2⁴⁹⁸⁶⁵⁹ is an apocalyptic number.

498659 is a deficient number, since it is larger than the sum of its proper divisors (71245).

498659 is an equidigital number, since it uses as much as digits as its factorization.

498659 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71244.

The product of its digits is 77760, while the sum is 41.

The square root of 498659 is about 706.1579143506. The cubic root of 498659 is about 79.2990322413.

The spelling of 498659 in words is "four hundred ninety-eight thousand, six hundred fifty-nine".