9998706 has 16 divisors (see below), whose sum is σ = 20151648. Its totient is φ = 3307200.

The previous prime is 9998701. The next prime is 9998719. The reversal of 9998706 is 6078999.

It is a happy number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (9998701) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5575 + ... + 7146.

It is an arithmetic number, because the mean of its divisors is an integer number (1259478).

Almost surely, 2^9998706 is an apocalyptic number.

9998706 is an abundant number, since it is smaller than the sum of its proper divisors (10152942).

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

9998706 is a wasteful number, since it uses less digits than its factorization.

9998706 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12857.

The product of its (nonzero) digits is 244944, while the sum is 48.

The square root of 9998706 is about 3162.0730541845. The cubic root of 9998706 is about 215.4341758074.

The spelling of 9998706 in words is "nine million, nine hundred ninety-eight thousand, seven hundred six".