9988746 has 16 divisors (see below), whose sum is σ = 20019744. Its totient is φ = 3322544.

The previous prime is 9988733. The next prime is 9988747. The reversal of 9988746 is 6478899.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (9988747) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1900 + ... + 4856.

It is an arithmetic number, because the mean of its divisors is an integer number (1251234).

Almost surely, 2^9988746 is an apocalyptic number.

9988746 is an abundant number, since it is smaller than the sum of its proper divisors (10030998).

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

9988746 is a wasteful number, since it uses less digits than its factorization.

9988746 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3525.

The product of its digits is 870912, while the sum is 51.

The square root of 9988746 is about 3160.4977456091. The cubic root of 9988746 is about 215.3626186393.

The spelling of 9988746 in words is "nine million, nine hundred eighty-eight thousand, seven hundred forty-six".