2989081 has 4 divisors (see below), whose sum is σ = 3004452. Its totient is φ = 2973712.

The previous prime is 2989073. The next prime is 2989087. The reversal of 2989081 is 1809892.

2989081 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It can be written as a sum of positive squares in 2 ways, for example, as 2859481 + 129600 = 1691^2 + 360^2 .

It is a cyclic number.

It is not a de Polignac number, because 2989081 - 2³ = 2989073 is a prime.

It is a super-2 number, since 2×2989081² = 17869210449122, which contains 22 as substring.

It is a Duffinian number.

It is a nialpdrome in base 9.

It is a self number, because there is not a number n which added to its sum of digits gives 2989081.

It is not an unprimeable number, because it can be changed into a prime (2989087) 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, 7390 + ... + 7783.

It is an arithmetic number, because the mean of its divisors is an integer number (751113).

2^2989081 is an apocalyptic number.

It is an amenable number.

2989081 is a deficient number, since it is larger than the sum of its proper divisors (15371).

2989081 is a wasteful number, since it uses less digits than its factorization.

2989081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15370.

The product of its (nonzero) digits is 10368, while the sum is 37.

The square root of 2989081 is about 1728.8958904457. The cubic root of 2989081 is about 144.0497673917.

The spelling of 2989081 in words is "two million, nine hundred eighty-nine thousand, eighty-one".