9993748 has 24 divisors (see below), whose sum is σ = 18292680. Its totient is φ = 4771200.

The previous prime is 9993743. The next prime is 9993769. The reversal of 9993748 is 8473999.

It can be written as a sum of positive squares in 4 ways, for example, as 1710864 + 8282884 = 1308^2 + 2878^2 .

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 11290 + ... + 12142.

It is an arithmetic number, because the mean of its divisors is an integer number (762195).

Almost surely, 2^9993748 is an apocalyptic number.

It is an amenable number.

9993748 is a deficient number, since it is larger than the sum of its proper divisors (8298932).

9993748 is a wasteful number, since it uses less digits than its factorization.

9993748 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 987 (or 985 counting only the distinct ones).

The product of its digits is 489888, while the sum is 49.

The square root of 9993748 is about 3161.2889776166. The cubic root of 9993748 is about 215.3985612242.

The spelling of 9993748 in words is "nine million, nine hundred ninety-three thousand, seven hundred forty-eight".