498918 has 24 divisors (see below), whose sum is σ = 1161432. Its totient is φ = 142464.

The previous prime is 498907. The next prime is 498923. The reversal of 498918 is 819894.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 555 + ... + 1142.

It is an arithmetic number, because the mean of its divisors is an integer number (48393).

2⁴⁹⁸⁹¹⁸ is an apocalyptic number.

498918 is an abundant number, since it is smaller than the sum of its proper divisors (662514).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

498918 is a wasteful number, since it uses less digits than its factorization.

498918 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1716 (or 1709 counting only the distinct ones).

The product of its digits is 20736, while the sum is 39.

The square root of 498918 is about 706.3412772874. The cubic root of 498918 is about 79.3127589861.

The spelling of 498918 in words is "four hundred ninety-eight thousand, nine hundred eighteen".