9993609 has 6 divisors (see below), whose sum is σ = 14435226. Its totient is φ = 6662400.

The previous prime is 9993551. The next prime is 9993611. The reversal of 9993609 is 9063999.

9993609 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 9903609 + 90000 = 3147^2 + 300^2 .

It is not a de Polignac number, because 9993609 - 2¹⁷ = 9862537 is a prime.

It is not an unprimeable number, because it can be changed into a prime (9993629) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 555192 + ... + 555209.

It is an arithmetic number, because the mean of its divisors is an integer number (2405871).

Almost surely, 2^9993609 is an apocalyptic number.

It is an amenable number.

9993609 is a deficient number, since it is larger than the sum of its proper divisors (4441617).

9993609 is a wasteful number, since it uses less digits than its factorization.

9993609 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1110407 (or 1110404 counting only the distinct ones).

The product of its (nonzero) digits is 118098, while the sum is 45.

The square root of 9993609 is about 3161.2669928369. The cubic root of 9993609 is about 215.3975625819.

The spelling of 9993609 in words is "nine million, nine hundred ninety-three thousand, six hundred nine".