9806988 has 24 divisors (see below), whose sum is σ = 23672880. Its totient is φ = 3156160.

The previous prime is 9806971. The next prime is 9806989. The reversal of 9806988 is 8896089.

It is not an unprimeable number, because it can be changed into a prime (9806989) 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, 13743 + ... + 14438.

It is an arithmetic number, because the mean of its divisors is an integer number (986370).

Almost surely, 2^9806988 is an apocalyptic number.

It is an amenable number.

9806988 is an abundant number, since it is smaller than the sum of its proper divisors (13865892).

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

9806988 is a wasteful number, since it uses less digits than its factorization.

9806988 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28217 (or 28215 counting only the distinct ones).

The product of its (nonzero) digits is 248832, while the sum is 48.

The square root of 9806988 is about 3131.6110869647. The cubic root of 9806988 is about 214.0483484669.

The spelling of 9806988 in words is "nine million, eight hundred six thousand, nine hundred eighty-eight".