998086 has 8 divisors (see below), whose sum is σ = 1516320. Its totient is φ = 492648.

The previous prime is 998083. The next prime is 998111. The reversal of 998086 is 680899.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (998083) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3001 + ... + 3316.

It is an arithmetic number, because the mean of its divisors is an integer number (189540).

2⁹⁹⁸⁰⁸⁶ is an apocalyptic number.

998086 is a deficient number, since it is larger than the sum of its proper divisors (518234).

998086 is a wasteful number, since it uses less digits than its factorization.

998086 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6398.

The product of its (nonzero) digits is 31104, while the sum is 40.

The square root of 998086 is about 999.0425416367. The cubic root of 998086 is about 99.9361592523.

The spelling of 998086 in words is "nine hundred ninety-eight thousand, eighty-six".