9885738 has 32 divisors (see below), whose sum is σ = 22040640. Its totient is φ = 2937600.

The previous prime is 9885737. The next prime is 9885749. The reversal of 9885738 is 8375889.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (9885731) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 613 + ... + 4488.

It is an arithmetic number, because the mean of its divisors is an integer number (688770).

Almost surely, 2^9885738 is an apocalyptic number.

9885738 is an abundant number, since it is smaller than the sum of its proper divisors (12154902).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

9885738 is a wasteful number, since it uses less digits than its factorization.

9885738 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5142.

The product of its digits is 483840, while the sum is 48.

The square root of 9885738 is about 3144.1593471069. The cubic root of 9885738 is about 214.6197569699.

The spelling of 9885738 in words is "nine million, eight hundred eighty-five thousand, seven hundred thirty-eight".