9993746 has 12 divisors (see below), whose sum is σ = 17438238. Its totient is φ = 4282992.

The previous prime is 9993743. The next prime is 9993769. The reversal of 9993746 is 6473999.

It can be written as a sum of positive squares in only one way, i.e., 9703225 + 290521 = 3115^2 + 539^2 .

It is a super-2 number, since 2×9993746² = 199749918225032, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 9993746.

It is not an unprimeable number, because it can be changed into a prime (9993743) 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 5 ways as a sum of consecutive naturals, for example, 50891 + ... + 51086.

Almost surely, 2^9993746 is an apocalyptic number.

9993746 is a deficient number, since it is larger than the sum of its proper divisors (7444492).

9993746 is a wasteful number, since it uses less digits than its factorization.

9993746 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101993 (or 101986 counting only the distinct ones).

The product of its digits is 367416, while the sum is 47.

The square root of 9993746 is about 3161.2886612899. The cubic root of 9993746 is about 215.3985468553.

The spelling of 9993746 in words is "nine million, nine hundred ninety-three thousand, seven hundred forty-six".