2989843814 has 16 divisors (see below), whose sum is σ = 4545965376. Its totient is φ = 1474632000.

The previous prime is 2989843799. The next prime is 2989843817. The reversal of 2989843814 is 4183489892.

2989843814 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×2989843814² = 17878332064228133192, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2989843814.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2989843817) 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, 27434 + ... + 82050.

It is an arithmetic number, because the mean of its divisors is an integer number (284122836).

Almost surely, 2^2989843814 is an apocalyptic number.

2989843814 is a deficient number, since it is larger than the sum of its proper divisors (1556121562).

2989843814 is a wasteful number, since it uses less digits than its factorization.

2989843814 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54991.

The product of its digits is 3981312, while the sum is 56.

The square root of 2989843814 is about 54679.4642804774. The cubic root of 2989843814 is about 1440.6202019148.

The spelling of 2989843814 in words is "two billion, nine hundred eighty-nine million, eight hundred forty-three thousand, eight hundred fourteen".