2838685 has 4 divisors (see below), whose sum is σ = 3406428. Its totient is φ = 2270944.

The previous prime is 2838631. The next prime is 2838697. The reversal of 2838685 is 5868382.

2838685 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 534361 + 2304324 = 731^2 + 1518^2 .

It is a cyclic number.

It is not a de Polignac number, because 2838685 - 2⁷ = 2838557 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

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 3 ways as a sum of consecutive naturals, for example, 283864 + ... + 283873.

It is an arithmetic number, because the mean of its divisors is an integer number (851607).

2^2838685 is an apocalyptic number.

It is an amenable number.

2838685 is a deficient number, since it is larger than the sum of its proper divisors (567743).

2838685 is an equidigital number, since it uses as much as digits as its factorization.

2838685 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 567742.

The product of its digits is 92160, while the sum is 40.

The square root of 2838685 is about 1684.8397549916. The cubic root of 2838685 is about 141.5921145608.

The spelling of 2838685 in words is "two million, eight hundred thirty-eight thousand, six hundred eighty-five".