998036 has 24 divisors (see below), whose sum is σ = 1993320. Its totient is φ = 433152.

The previous prime is 998029. The next prime is 998069. The reversal of 998036 is 630899.

It can be written as a sum of positive squares in 4 ways, for example, as 10000 + 988036 = 100^2 + 994^2 .

It is a plaindrome in base 15.

It is a junction number, because it is equal to n+sod(n) for n = 997987 and 998005.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 998036.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 320 + ... + 1448.

It is an arithmetic number, because the mean of its divisors is an integer number (83055).

2⁹⁹⁸⁰³⁶ is an apocalyptic number.

It is an amenable number.

998036 is a deficient number, since it is larger than the sum of its proper divisors (995284).

998036 is a wasteful number, since it uses less digits than its factorization.

998036 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1163 (or 1161 counting only the distinct ones).

The product of its (nonzero) digits is 11664, while the sum is 35.

The square root of 998036 is about 999.0175173639. The cubic root of 998036 is about 99.9344904277.

Subtracting from 998036 its sum of digits (35), we obtain a square (998001 = 999²).

The spelling of 998036 in words is "nine hundred ninety-eight thousand, thirty-six".