2989230 has 32 divisors (see below), whose sum is σ = 7370784. Its totient is φ = 775296.

The previous prime is 2989223. The next prime is 2989271. The reversal of 2989230 is 329892.

It is an alternating number because its digits alternate between even and odd.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 2989191 and 2989200.

It is a congruent number.

It is an unprimeable number.

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, 237 + ... + 2456.

It is an arithmetic number, because the mean of its divisors is an integer number (230337).

2^2989230 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2989230, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3685392).

2989230 is an abundant number, since it is smaller than the sum of its proper divisors (4381554).

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

2989230 is a wasteful number, since it uses less digits than its factorization.

2989230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2740.

The product of its (nonzero) digits is 7776, while the sum is 33.

The square root of 2989230 is about 1728.9389809938. The cubic root of 2989230 is about 144.0521608875.

The spelling of 2989230 in words is "two million, nine hundred eighty-nine thousand, two hundred thirty".