2989138 has 8 divisors (see below), whose sum is σ = 4550832. Its totient is φ = 1472196.

The previous prime is 2989097. The next prime is 2989139. The reversal of 2989138 is 8319892.

2989138 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a self number, because there is not a number n which added to its sum of digits gives 2989138.

It is not an unprimeable number, because it can be changed into a prime (2989139) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11020 + ... + 11287.

It is an arithmetic number, because the mean of its divisors is an integer number (568854).

2^2989138 is an apocalyptic number.

2989138 is a deficient number, since it is larger than the sum of its proper divisors (1561694).

2989138 is a wasteful number, since it uses less digits than its factorization.

2989138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22376.

The product of its digits is 31104, while the sum is 40.

The square root of 2989138 is about 1728.9123748762. The cubic root of 2989138 is about 144.0506830337.

It can be divided in two parts, 29891 and 38, that added together give a square (29929 = 173²).

The spelling of 2989138 in words is "two million, nine hundred eighty-nine thousand, one hundred thirty-eight".