9998136 has 24 divisors (see below), whose sum is σ = 27078480. Its totient is φ = 3332688.

The previous prime is 9998129. The next prime is 9998141. The reversal of 9998136 is 6318999.

It is a tau number, because it is divible by the number of its divisors (24).

It is a nude number because it is divisible by every one of its digits.

It is a junction number, because it is equal to n+sod(n) for n = 9998091 and 9998100.

It is a congruent number.

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 5 ways as a sum of consecutive naturals, for example, 69360 + ... + 69503.

It is an arithmetic number, because the mean of its divisors is an integer number (1128270).

Almost surely, 2^9998136 is an apocalyptic number.

It is an amenable number.

9998136 is an abundant number, since it is smaller than the sum of its proper divisors (17080344).

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

9998136 is a wasteful number, since it uses less digits than its factorization.

9998136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 138875 (or 138868 counting only the distinct ones).

The product of its digits is 104976, while the sum is 45.

The square root of 9998136 is about 3161.9829221550. The cubic root of 9998136 is about 215.4300819505.

The spelling of 9998136 in words is "nine million, nine hundred ninety-eight thousand, one hundred thirty-six".