2989418 has 4 divisors (see below), whose sum is σ = 4484130. Its totient is φ = 1494708.

The previous prime is 2989417. The next prime is 2989429. The reversal of 2989418 is 8149892.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 2982529 + 6889 = 1727^2 + 83^2 .

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

It is not an unprimeable number, because it can be changed into a prime (2989417) 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 as a sum of consecutive naturals, namely, 747353 + ... + 747356.

2^2989418 is an apocalyptic number.

2989418 is a deficient number, since it is larger than the sum of its proper divisors (1494712).

2989418 is a wasteful number, since it uses less digits than its factorization.

2989418 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1494711.

The product of its digits is 41472, while the sum is 41.

The square root of 2989418 is about 1728.9933487437. The cubic root of 2989418 is about 144.0551807553.

The spelling of 2989418 in words is "two million, nine hundred eighty-nine thousand, four hundred eighteen".