2989345 has 4 divisors (see below), whose sum is σ = 3587220. Its totient is φ = 2391472.

The previous prime is 2989321. The next prime is 2989367. The reversal of 2989345 is 5439892.

It is a happy number.

2989345 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 355216 + 2634129 = 596^2 + 1623^2 .

It is a cyclic number.

It is not a de Polignac number, because 2989345 - 2¹¹ = 2987297 is a prime.

It is a nialpdrome in base 9.

It is a zygodrome in base 9.

It is a junction number, because it is equal to n+sod(n) for n = 2989298 and 2989307.

It is an unprimeable number.

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, 298930 + ... + 298939.

It is an arithmetic number, because the mean of its divisors is an integer number (896805).

2^2989345 is an apocalyptic number.

It is an amenable number.

2989345 is a deficient number, since it is larger than the sum of its proper divisors (597875).

2989345 is an equidigital number, since it uses as much as digits as its factorization.

2989345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 597874.

The product of its digits is 77760, while the sum is 40.

The square root of 2989345 is about 1728.9722380651. The cubic root of 2989345 is about 144.0540081621.

The spelling of 2989345 in words is "two million, nine hundred eighty-nine thousand, three hundred forty-five".