4198399 has 4 divisors (see below), whose sum is σ = 4202800. Its totient is φ = 4194000.

The previous prime is 4198379. The next prime is 4198409. The reversal of 4198399 is 9938914.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 4198399 - 2⁹ = 4197887 is a prime.

It is a Kynea number, being equal to (2¹¹ + 1)² - 2.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4198309) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 102 + ... + 2899.

It is an arithmetic number, because the mean of its divisors is an integer number (1050700).

Almost surely, 2^4198399 is an apocalyptic number.

4198399 is a deficient number, since it is larger than the sum of its proper divisors (4401).

4198399 is a wasteful number, since it uses less digits than its factorization.

4198399 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4400.

The product of its digits is 69984, while the sum is 43.

The square root of 4198399 is about 2048.9995119570. Note that the first 3 decimals coincide. The cubic root of 4198399 is about 161.3223612092.

The spelling of 4198399 in words is "four million, one hundred ninety-eight thousand, three hundred ninety-nine".