9998814 has 32 divisors (see below), whose sum is σ = 22957056. Its totient is φ = 2844000.

The previous prime is 9998809. The next prime is 9998851. The reversal of 9998814 is 4188999.

9998814 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12939 + ... + 13689.

It is an arithmetic number, because the mean of its divisors is an integer number (717408).

Almost surely, 2^9998814 is an apocalyptic number.

9998814 is an abundant number, since it is smaller than the sum of its proper divisors (12958242).

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

9998814 is a wasteful number, since it uses less digits than its factorization.

9998814 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1080.

The product of its digits is 186624, while the sum is 48.

The square root of 9998814 is about 3162.0901315427. The cubic root of 9998814 is about 215.4349514680.

The spelling of 9998814 in words is "nine million, nine hundred ninety-eight thousand, eight hundred fourteen".