508998 has 16 divisors (see below), whose sum is σ = 1163520. Its totient is φ = 145416.

The previous prime is 508987. The next prime is 509023. The reversal of 508998 is 899805.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6018 + ... + 6101.

It is an arithmetic number, because the mean of its divisors is an integer number (72720).

2⁵⁰⁸⁹⁹⁸ is an apocalyptic number.

508998 is an abundant number, since it is smaller than the sum of its proper divisors (654522).

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

508998 is a wasteful number, since it uses less digits than its factorization.

508998 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12131.

The product of its (nonzero) digits is 25920, while the sum is 39.

The square root of 508998 is about 713.4409576132. The cubic root of 508998 is about 79.8433392512.

The spelling of 508998 in words is "five hundred eight thousand, nine hundred ninety-eight".