2989117398 has 16 divisors (see below), whose sum is σ = 6238158336. Its totient is φ = 953051880.

The previous prime is 2989117393. The next prime is 2989117403. The reversal of 2989117398 is 8937119892.

It is an interprime number because it is at equal distance from previous prime (2989117393) and next prime (2989117403).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2989117393) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10829998 + ... + 10830273.

It is an arithmetic number, because the mean of its divisors is an integer number (389884896).

Almost surely, 2^2989117398 is an apocalyptic number.

2989117398 is an abundant number, since it is smaller than the sum of its proper divisors (3249040938).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2989117398 is a wasteful number, since it uses less digits than its factorization.

2989117398 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21660299.

The product of its digits is 1959552, while the sum is 57.

The square root of 2989117398 is about 54672.8213832065. The cubic root of 2989117398 is about 1440.5035208669.

The spelling of 2989117398 in words is "two billion, nine hundred eighty-nine million, one hundred seventeen thousand, three hundred ninety-eight".