9993773 has 8 divisors (see below), whose sum is σ = 10727928. Its totient is φ = 9275904.

The previous prime is 9993769. The next prime is 9993793. The reversal of 9993773 is 3773999.

It can be written as a sum of positive squares in 4 ways, for example, as 4338889 + 5654884 = 2083^2 + 2378^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 9993773 - 2² = 9993769 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9993703) 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, 2786 + ... + 5267.

It is an arithmetic number, because the mean of its divisors is an integer number (1340991).

Almost surely, 2^9993773 is an apocalyptic number.

It is an amenable number.

9993773 is a deficient number, since it is larger than the sum of its proper divisors (734155).

9993773 is a wasteful number, since it uses less digits than its factorization.

9993773 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8143.

The product of its digits is 321489, while the sum is 47.

The square root of 9993773 is about 3161.2929316974. The cubic root of 9993773 is about 215.3987408351.

It can be divided in two parts, 99937 and 73, that multiplied together give a square (7295401 = 2701²).

The spelling of 9993773 in words is "nine million, nine hundred ninety-three thousand, seven hundred seventy-three".