2989955 has 8 divisors (see below), whose sum is σ = 3628800. Its totient is φ = 2364736.

The previous prime is 2989937. The next prime is 2989963. The reversal of 2989955 is 5599892.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2989955 is a prime.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 2915 + ... + 3804.

It is an arithmetic number, because the mean of its divisors is an integer number (453600).

2^2989955 is an apocalyptic number.

2989955 is a deficient number, since it is larger than the sum of its proper divisors (638845).

2989955 is an equidigital number, since it uses as much as digits as its factorization.

2989955 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6813.

The product of its digits is 291600, while the sum is 47.

The square root of 2989955 is about 1729.1486344441. The cubic root of 2989955 is about 144.0638059571.

The spelling of 2989955 in words is "two million, nine hundred eighty-nine thousand, nine hundred fifty-five".