9993736 has 8 divisors (see below), whose sum is σ = 18738270. Its totient is φ = 4996864.

The previous prime is 9993713. The next prime is 9993743. The reversal of 9993736 is 6373999.

It can be written as a sum of positive squares in only one way, i.e., 7452900 + 2540836 = 2730^2 + 1594^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 624601 + ... + 624616.

Almost surely, 2^9993736 is an apocalyptic number.

It is an amenable number.

9993736 is a deficient number, since it is larger than the sum of its proper divisors (8744534).

9993736 is a wasteful number, since it uses less digits than its factorization.

9993736 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1249223 (or 1249219 counting only the distinct ones).

The product of its digits is 275562, while the sum is 46.

The square root of 9993736 is about 3161.2870796560. The cubic root of 9993736 is about 215.3984750108.

The spelling of 9993736 in words is "nine million, nine hundred ninety-three thousand, seven hundred thirty-six".