9940194 has 48 divisors (see below), whose sum is σ = 23909184. Its totient is φ = 2959200.

The previous prime is 9940129. The next prime is 9940199. The reversal of 9940194 is 4910499.

It is not an unprimeable number, because it can be changed into a prime (9940199) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 11667 + ... + 12489.

It is an arithmetic number, because the mean of its divisors is an integer number (498108).

Almost surely, 2^9940194 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 9940194, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11954592).

9940194 is an abundant number, since it is smaller than the sum of its proper divisors (13968990).

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

9940194 is a wasteful number, since it uses less digits than its factorization.

9940194 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 903 (or 900 counting only the distinct ones).

The product of its (nonzero) digits is 11664, while the sum is 36.

The square root of 9940194 is about 3152.8073204685. The cubic root of 9940194 is about 215.0131162000.

The spelling of 9940194 in words is "nine million, nine hundred forty thousand, one hundred ninety-four".