9986000239 has 4 divisors (see below), whose sum is σ = 9986263056. Its totient is φ = 9985737424.

The previous prime is 9986000237. The next prime is 9986000267. The reversal of 9986000239 is 9320006899.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 9986000239 - 2¹ = 9986000237 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9986000237) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 62299 + ... + 154444.

It is an arithmetic number, because the mean of its divisors is an integer number (2496565764).

Almost surely, 2^9986000239 is an apocalyptic number.

9986000239 is a deficient number, since it is larger than the sum of its proper divisors (262817).

9986000239 is a wasteful number, since it uses less digits than its factorization.

9986000239 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 262816.

The product of its (nonzero) digits is 209952, while the sum is 46.

The square root of 9986000239 is about 99929.9766786724. The cubic root of 9986000239 is about 2153.4288348030.

The spelling of 9986000239 in words is "nine billion, nine hundred eighty-six million, two hundred thirty-nine", and thus it is an aban number.