2838870 has 24 divisors (see below), whose sum is σ = 7381296. Its totient is φ = 757008.

The previous prime is 2838863. The next prime is 2838889. The reversal of 2838870 is 788382.

2838870 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 11 ways as a sum of consecutive naturals, for example, 15682 + ... + 15861.

It is an arithmetic number, because the mean of its divisors is an integer number (307554).

2^2838870 is an apocalyptic number.

2838870 is an abundant number, since it is smaller than the sum of its proper divisors (4542426).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2838870 is a wasteful number, since it uses less digits than its factorization.

2838870 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31556 (or 31553 counting only the distinct ones).

The product of its (nonzero) digits is 21504, while the sum is 36.

The square root of 2838870 is about 1684.8946554607. The cubic root of 2838870 is about 141.5951903949.

The spelling of 2838870 in words is "two million, eight hundred thirty-eight thousand, eight hundred seventy".