9398239825 has 24 divisors (see below), whose sum is σ = 12727060416. Its totient is φ = 6842472000.

The previous prime is 9398239817. The next prime is 9398239843. The reversal of 9398239825 is 5289328939.

It is not a de Polignac number, because 9398239825 - 2³ = 9398239817 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 9398239825.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 180571 + ... + 226720.

It is an arithmetic number, because the mean of its divisors is an integer number (530294184).

Almost surely, 2^9398239825 is an apocalyptic number.

It is an amenable number.

9398239825 is a deficient number, since it is larger than the sum of its proper divisors (3328820591).

9398239825 is a wasteful number, since it uses less digits than its factorization.

9398239825 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 407385 (or 407380 counting only the distinct ones).

The product of its digits is 8398080, while the sum is 58.

The square root of 9398239825 is about 96944.5193138839. The cubic root of 9398239825 is about 2110.3225568739.

The spelling of 9398239825 in words is "nine billion, three hundred ninety-eight million, two hundred thirty-nine thousand, eight hundred twenty-five".