9993399 has 16 divisors (see below), whose sum is σ = 15194592. Its totient is φ = 5787648.

The previous prime is 9993397. The next prime is 9993407. The reversal of 9993399 is 9933999.

It is not a de Polignac number, because 9993399 - 2¹ = 9993397 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (51).

9993399 is a lucky number.

It is a zygodrome in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9993397) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6874 + ... + 8199.

It is an arithmetic number, because the mean of its divisors is an integer number (949662).

Almost surely, 2^9993399 is an apocalyptic number.

9993399 is a deficient number, since it is larger than the sum of its proper divisors (5201193).

9993399 is a wasteful number, since it uses less digits than its factorization.

9993399 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15106.

The product of its digits is 531441, while the sum is 51.

The square root of 9993399 is about 3161.2337781316. The cubic root of 9993399 is about 215.3960538241.

The spelling of 9993399 in words is "nine million, nine hundred ninety-three thousand, three hundred ninety-nine".