9398989855 has 8 divisors (see below), whose sum is σ = 11553880464. Its totient is φ = 7335796800.

The previous prime is 9398989841. The next prime is 9398989883. The reversal of 9398989855 is 5589898939.

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

It is not a de Polignac number, because 9398989855 - 2¹³ = 9398981663 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22924161 + ... + 22924570.

It is an arithmetic number, because the mean of its divisors is an integer number (1444235058).

Almost surely, 2^9398989855 is an apocalyptic number.

9398989855 is a deficient number, since it is larger than the sum of its proper divisors (2154890609).

9398989855 is a wasteful number, since it uses less digits than its factorization.

9398989855 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45848777.

The product of its digits is 251942400, while the sum is 73.

The square root of 9398989855 is about 96948.3875832909. The cubic root of 9398989855 is about 2110.3786937376.

The spelling of 9398989855 in words is "nine billion, three hundred ninety-eight million, nine hundred eighty-nine thousand, eight hundred fifty-five".