2989847841 has 8 divisors (see below), whose sum is σ = 3991950144. Its totient is φ = 1990488720.

The previous prime is 2989847837. The next prime is 2989847849. The reversal of 2989847841 is 1487489892.

It is a happy number.

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

It is not a de Polignac number, because 2989847841 - 2² = 2989847837 is a prime.

It is a super-2 number, since 2×2989847841² = 17878380224664722562, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2989847849) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 683250 + ... + 687611.

It is an arithmetic number, because the mean of its divisors is an integer number (498993768).

Almost surely, 2^2989847841 is an apocalyptic number.

It is an amenable number.

2989847841 is a deficient number, since it is larger than the sum of its proper divisors (1002102303).

2989847841 is a wasteful number, since it uses less digits than its factorization.

2989847841 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1371591.

The product of its digits is 9289728, while the sum is 60.

The square root of 2989847841 is about 54679.5011041615. The cubic root of 2989847841 is about 1440.6208487017.

The spelling of 2989847841 in words is "two billion, nine hundred eighty-nine million, eight hundred forty-seven thousand, eight hundred forty-one".