2989667 has 4 divisors (see below), whose sum is σ = 2993640. Its totient is φ = 2985696.

The previous prime is 2989633. The next prime is 2989673. The reversal of 2989667 is 7669892.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 2989667 - 2¹² = 2985571 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2989367) 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 3 ways as a sum of consecutive naturals, for example, 473 + ... + 2490.

It is an arithmetic number, because the mean of its divisors is an integer number (748410).

2^2989667 is an apocalyptic number.

2989667 is a deficient number, since it is larger than the sum of its proper divisors (3973).

2989667 is a wasteful number, since it uses less digits than its factorization.

2989667 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3972.

The product of its digits is 326592, while the sum is 47.

The square root of 2989667 is about 1729.0653544618. The cubic root of 2989667 is about 144.0591802790.

The spelling of 2989667 in words is "two million, nine hundred eighty-nine thousand, six hundred sixty-seven".