2838645 has 40 divisors (see below), whose sum is σ = 5238816. Its totient is φ = 1469664.

The previous prime is 2838631. The next prime is 2838697. The reversal of 2838645 is 5468382.

2838645 is a `hidden beast` number, since 2 + 8 + 3 + 8 + 645 = 666.

2838645 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 2838645 - 2⁴ = 2838629 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 (11) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 17334 + ... + 17496.

2^2838645 is an apocalyptic number.

It is an amenable number.

2838645 is a deficient number, since it is larger than the sum of its proper divisors (2400171).

2838645 is a wasteful number, since it uses less digits than its factorization.

2838645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 223 (or 214 counting only the distinct ones).

The product of its digits is 46080, while the sum is 36.

The square root of 2838645 is about 1684.8278843846. The cubic root of 2838645 is about 141.5914494981.

The spelling of 2838645 in words is "two million, eight hundred thirty-eight thousand, six hundred forty-five".