9989107 has 8 divisors (see below), whose sum is σ = 10455840. Its totient is φ = 9543160.

The previous prime is 9989071. The next prime is 9989123. The reversal of 9989107 is 7019899.

It is a de Polignac number, because none of the positive numbers 2^k-9989107 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9989167) 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, 11757 + ... + 12577.

It is an arithmetic number, because the mean of its divisors is an integer number (1306980).

Almost surely, 2^9989107 is an apocalyptic number.

9989107 is a deficient number, since it is larger than the sum of its proper divisors (466733).

9989107 is an frugal number, since it uses more digits than its factorization.

9989107 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 890 (or 844 counting only the distinct ones).

The product of its (nonzero) digits is 40824, while the sum is 43.

The square root of 9989107 is about 3160.5548563504. The cubic root of 9989107 is about 215.3652130580.

The spelling of 9989107 in words is "nine million, nine hundred eighty-nine thousand, one hundred seven".