9398448939 has 16 divisors (see below), whose sum is σ = 13681799424. Its totient is φ = 5691309600.

The previous prime is 9398448911. The next prime is 9398448947.

9398448939 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 9398448939 - 2⁵ = 9398448907 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 9398448939.

It is not an unprimeable number, because it can be changed into a prime (9398448989) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 77367 + ... + 157424.

It is an arithmetic number, because the mean of its divisors is an integer number (855112464).

Almost surely, 2^9398448939 is an apocalyptic number.

9398448939 is a deficient number, since it is larger than the sum of its proper divisors (4283350485).

9398448939 is a wasteful number, since it uses less digits than its factorization.

9398448939 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 236018.

The product of its digits is 60466176, while the sum is 66.

The square root of 9398448939 is about 96945.5978319800. The cubic root of 9398448939 is about 2110.3382085536.

The spelling of 9398448939 in words is "nine billion, three hundred ninety-eight million, four hundred forty-eight thousand, nine hundred thirty-nine".