9894399 has 8 divisors (see below), whose sum is σ = 13230720. Its totient is φ = 6577176.

The previous prime is 9894377. The next prime is 9894419. The reversal of 9894399 is 9934989.

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

It is not a de Polignac number, because 9894399 - 2⁷ = 9894271 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9894319) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3517 + ... + 5670.

It is an arithmetic number, because the mean of its divisors is an integer number (1653840).

Almost surely, 2^9894399 is an apocalyptic number.

9894399 is a deficient number, since it is larger than the sum of its proper divisors (3336321).

9894399 is a wasteful number, since it uses less digits than its factorization.

9894399 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9549.

The product of its digits is 629856, while the sum is 51.

The square root of 9894399 is about 3145.5363612586. The cubic root of 9894399 is about 214.6824155573.

The spelling of 9894399 in words is "nine million, eight hundred ninety-four thousand, three hundred ninety-nine".