9986151 has 12 divisors (see below), whose sum is σ = 15488952. Its totient is φ = 5706288.

The previous prime is 9986113. The next prime is 9986161. The reversal of 9986151 is 1516899.

It is not a de Polignac number, because 9986151 - 2⁷ = 9986023 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9986111) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 33820 + ... + 34113.

It is an arithmetic number, because the mean of its divisors is an integer number (1290746).

Almost surely, 2^9986151 is an apocalyptic number.

9986151 is a deficient number, since it is larger than the sum of its proper divisors (5502801).

9986151 is a wasteful number, since it uses less digits than its factorization.

9986151 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67950 (or 67943 counting only the distinct ones).

The product of its digits is 19440, while the sum is 39.

The square root of 9986151 is about 3160.0871823417. The cubic root of 9986151 is about 215.3439671689.

The spelling of 9986151 in words is "nine million, nine hundred eighty-six thousand, one hundred fifty-one".