9408399 has 48 divisors (see below), whose sum is σ = 17005824. Its totient is φ = 4492800.

The previous prime is 9408391. The next prime is 9408431. The reversal of 9408399 is 9938049.

It is not a de Polignac number, because 9408399 - 2³ = 9408391 is a prime.

9408399 is an undulating number in base 16.

It is a self number, because there is not a number n which added to its sum of digits gives 9408399.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9408391) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 38919 + ... + 39159.

It is an arithmetic number, because the mean of its divisors is an integer number (354288).

Almost surely, 2^9408399 is an apocalyptic number.

9408399 is a deficient number, since it is larger than the sum of its proper divisors (7597425).

9408399 is a wasteful number, since it uses less digits than its factorization.

9408399 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 288 (or 275 counting only the distinct ones).

The product of its (nonzero) digits is 69984, while the sum is 42.

The square root of 9408399 is about 3067.3113633930. The cubic root of 9408399 is about 211.1082678493.

It can be divided in two parts, 940 and 8399, that added together give a palindrome (9339).

The spelling of 9408399 in words is "nine million, four hundred eight thousand, three hundred ninety-nine".