2989555 has 8 divisors (see below), whose sum is σ = 3776400. Its totient is φ = 2265696.

The previous prime is 2989541. The next prime is 2989573. The reversal of 2989555 is 5559892.

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

It is a cyclic number.

It is not a de Polignac number, because 2989555 - 2⁹ = 2989043 is a prime.

2989555 is a lucky number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15640 + ... + 15829.

It is an arithmetic number, because the mean of its divisors is an integer number (472050).

2^2989555 is an apocalyptic number.

2989555 is a deficient number, since it is larger than the sum of its proper divisors (786845).

2989555 is a wasteful number, since it uses less digits than its factorization.

2989555 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31493.

The product of its digits is 162000, while the sum is 43.

The square root of 2989555 is about 1729.0329667187. The cubic root of 2989555 is about 144.0573813240.

The spelling of 2989555 in words is "two million, nine hundred eighty-nine thousand, five hundred fifty-five".