2838861 has 8 divisors (see below), whose sum is σ = 4205760. Its totient is φ = 1892556.

The previous prime is 2838859. The next prime is 2838863. The reversal of 2838861 is 1688382.

2838861 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (2838859) and next prime (2838863).

It is not a de Polignac number, because 2838861 - 2¹ = 2838859 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2838863) 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 7 ways as a sum of consecutive naturals, for example, 52545 + ... + 52598.

It is an arithmetic number, because the mean of its divisors is an integer number (525720).

2^2838861 is an apocalyptic number.

It is an amenable number.

2838861 is a deficient number, since it is larger than the sum of its proper divisors (1366899).

2838861 is a wasteful number, since it uses less digits than its factorization.

2838861 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105152 (or 105146 counting only the distinct ones).

The product of its digits is 18432, while the sum is 36.

The square root of 2838861 is about 1684.8919846685. The cubic root of 2838861 is about 141.5950407628.

The spelling of 2838861 in words is "two million, eight hundred thirty-eight thousand, eight hundred sixty-one".