2989521 has 16 divisors (see below), whose sum is σ = 4456320. Its totient is φ = 1980720.

The previous prime is 2989513. The next prime is 2989531. The reversal of 2989521 is 1259892.

It is not a de Polignac number, because 2989521 - 2³ = 2989513 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2989531) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6891 + ... + 7311.

It is an arithmetic number, because the mean of its divisors is an integer number (278520).

2^2989521 is an apocalyptic number.

It is an amenable number.

2989521 is a deficient number, since it is larger than the sum of its proper divisors (1466799).

2989521 is a wasteful number, since it uses less digits than its factorization.

2989521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 693 (or 687 counting only the distinct ones).

The product of its digits is 12960, while the sum is 36.

The square root of 2989521 is about 1729.0231346052. The cubic root of 2989521 is about 144.0568352037.

The spelling of 2989521 in words is "two million, nine hundred eighty-nine thousand, five hundred twenty-one".