984109399 has 32 divisors (see below), whose sum is σ = 1233182720. Its totient is φ = 764629632.

The previous prime is 984109397. The next prime is 984109421. The reversal of 984109399 is 993901489.

984109399 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 984109399 - 2¹ = 984109397 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (984109397) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2638177 + ... + 2638549.

It is an arithmetic number, because the mean of its divisors is an integer number (38536960).

Almost surely, 2^984109399 is an apocalyptic number.

984109399 is a deficient number, since it is larger than the sum of its proper divisors (249073321).

984109399 is a wasteful number, since it uses less digits than its factorization.

984109399 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 839.

The product of its (nonzero) digits is 629856, while the sum is 52.

The square root of 984109399 is about 31370.5179906230. The cubic root of 984109399 is about 994.6748258565.

The spelling of 984109399 in words is "nine hundred eighty-four million, one hundred nine thousand, three hundred ninety-nine".