2989844403 has 24 divisors (see below), whose sum is σ = 4933375488. Its totient is φ = 1577058912.

The previous prime is 2989844393. The next prime is 2989844437. The reversal of 2989844403 is 3044489892.

It is not a de Polignac number, because 2989844403 - 2⁸ = 2989844147 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2989844443) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 417675 + ... + 424772.

It is an arithmetic number, because the mean of its divisors is an integer number (205557312).

Almost surely, 2^2989844403 is an apocalyptic number.

2989844403 is a deficient number, since it is larger than the sum of its proper divisors (1943531085).

2989844403 is a wasteful number, since it uses less digits than its factorization.

2989844403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 842483 (or 842470 counting only the distinct ones).

The product of its (nonzero) digits is 1990656, while the sum is 51.

The square root of 2989844403 is about 54679.4696664114. The cubic root of 2989844403 is about 1440.6202965157.

The spelling of 2989844403 in words is "two billion, nine hundred eighty-nine million, eight hundred forty-four thousand, four hundred three".