9986158 has 16 divisors (see below), whose sum is σ = 18436320. Its totient is φ = 3950496.

The previous prime is 9986113. The next prime is 9986161. The reversal of 9986158 is 8516899.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27253 + ... + 27616.

It is an arithmetic number, because the mean of its divisors is an integer number (1152270).

Almost surely, 2^9986158 is an apocalyptic number.

9986158 is a deficient number, since it is larger than the sum of its proper divisors (8450162).

9986158 is a wasteful number, since it uses less digits than its factorization.

9986158 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54891.

The product of its digits is 155520, while the sum is 46.

The square root of 9986158 is about 3160.0882899058. The cubic root of 9986158 is about 215.3440174855.

The spelling of 9986158 in words is "nine million, nine hundred eighty-six thousand, one hundred fifty-eight".