899998 has 12 divisors (see below), whose sum is σ = 1484280.
Its totient is φ = 408980.
The previous prime is 899981. The next prime is 900001.
899998 is nontrivially palindromic in base 10.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1618 + ... + 2101.
It is an arithmetic number, because the mean of its divisors is an integer number (123690).
2899998 is an apocalyptic number.
899998 is a deficient number, since it is larger than the sum of its proper divisors (584282).
899998 is a wasteful number, since it uses less digits than its factorization.
899998 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3743 (or 3732 counting only the distinct ones).
The product of its digits is 419904, while the sum is 52.
The square root of 899998 is about 948.6822439574.
The cubic root of 899998 is about 96.5488669428.
The spelling of 899998 in words is "eight hundred ninety-nine thousand, nine hundred ninety-eight".