9398399 has 4 divisors (see below), whose sum is σ = 9951264. Its totient is φ = 8845536.

The previous prime is 9398383. The next prime is 9398401. The reversal of 9398399 is 9938939.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9938939 = 137 ⋅72547.

It is a cyclic number.

It is not a de Polignac number, because 9398399 - 2⁴ = 9398383 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 (9398359) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 276407 + ... + 276440.

It is an arithmetic number, because the mean of its divisors is an integer number (2487816).

Almost surely, 2^9398399 is an apocalyptic number.

9398399 is a deficient number, since it is larger than the sum of its proper divisors (552865).

9398399 is a wasteful number, since it uses less digits than its factorization.

9398399 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 552864.

The product of its digits is 472392, while the sum is 50.

The square root of 9398399 is about 3065.6808379217. The cubic root of 9398399 is about 211.0334470761.

The spelling of 9398399 in words is "nine million, three hundred ninety-eight thousand, three hundred ninety-nine".