9986735 has 24 divisors (see below), whose sum is σ = 13961808. Its totient is φ = 6828800.

The previous prime is 9986731. The next prime is 9986747. The reversal of 9986735 is 5376899.

9986735 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 9986735 - 2² = 9986731 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 9986735.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9986731) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 9800 + ... + 10770.

It is an arithmetic number, because the mean of its divisors is an integer number (581742).

Almost surely, 2^9986735 is an apocalyptic number.

9986735 is a deficient number, since it is larger than the sum of its proper divisors (3975073).

9986735 is a wasteful number, since it uses less digits than its factorization.

9986735 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1015 (or 1004 counting only the distinct ones).

The product of its digits is 408240, while the sum is 47.

The square root of 9986735 is about 3160.1795835047. The cubic root of 9986735 is about 215.3481649299.

The spelling of 9986735 in words is "nine million, nine hundred eighty-six thousand, seven hundred thirty-five".