9940386 has 16 divisors (see below), whose sum is σ = 20016000. Its totient is φ = 3290928.

The previous prime is 9940369. The next prime is 9940387. The reversal of 9940386 is 6830499.

It is a super-2 number, since 2×9940386² = 197622547657992, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (9940387) 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 7 ways as a sum of consecutive naturals, for example, 4666 + ... + 6453.

It is an arithmetic number, because the mean of its divisors is an integer number (1251000).

Almost surely, 2^9940386 is an apocalyptic number.

9940386 is an abundant number, since it is smaller than the sum of its proper divisors (10075614).

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

9940386 is a wasteful number, since it uses less digits than its factorization.

9940386 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11273.

The product of its (nonzero) digits is 46656, while the sum is 39.

The square root of 9940386 is about 3152.8377693754. The cubic root of 9940386 is about 215.0145005544.

The spelling of 9940386 in words is "nine million, nine hundred forty thousand, three hundred eighty-six".