9929394 has 48 divisors (see below), whose sum is σ = 23421528. Its totient is φ = 3027456.

The previous prime is 9929383. The next prime is 9929417. The reversal of 9929394 is 4939299.

It can be written as a sum of positive squares in 4 ways, for example, as 9641025 + 288369 = 3105^2 + 537^2 .

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 10884 + ... + 11760.

Almost surely, 2^9929394 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 9929394, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11710764).

9929394 is an abundant number, since it is smaller than the sum of its proper divisors (13492134).

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

9929394 is a wasteful number, since it uses less digits than its factorization.

9929394 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 939 (or 936 counting only the distinct ones).

The product of its digits is 157464, while the sum is 45.

The square root of 9929394 is about 3151.0940957071. The cubic root of 9929394 is about 214.9352175472.

The spelling of 9929394 in words is "nine million, nine hundred twenty-nine thousand, three hundred ninety-four".