2989442 has 8 divisors (see below), whose sum is σ = 4495500. Its totient is φ = 1490944.

The previous prime is 2989429. The next prime is 2989447. The reversal of 2989442 is 2449892.

2989442 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Cunningham number, because it is equal to 1729²+1.

It can be written as a sum of positive squares in 2 ways, for example, as 2989441 + 1 = 1729^2 + 1^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 2989396 and 2989405.

It is not an unprimeable number, because it can be changed into a prime (2989447) 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, 767 + ... + 2562.

2^2989442 is an apocalyptic number.

2989442 is a deficient number, since it is larger than the sum of its proper divisors (1506058).

2989442 is a wasteful number, since it uses less digits than its factorization.

2989442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3780.

The product of its digits is 41472, while the sum is 38.

The square root of 2989442 is about 1729.0002891845. Note that the first 3 decimals coincide. The cubic root of 2989442 is about 144.0555662613.

The spelling of 2989442 in words is "two million, nine hundred eighty-nine thousand, four hundred forty-two".