2866838 has 16 divisors (see below), whose sum is σ = 4699296. Its totient is φ = 1303680.

The previous prime is 2866837. The next prime is 2866841. The reversal of 2866838 is 8386682.

It is a junction number, because it is equal to n+sod(n) for n = 2866795 and 2866804.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2866837) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1070 + ... + 2622.

It is an arithmetic number, because the mean of its divisors is an integer number (293706).

2^2866838 is an apocalyptic number.

2866838 is a deficient number, since it is larger than the sum of its proper divisors (1832458).

2866838 is a wasteful number, since it uses less digits than its factorization.

2866838 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1639.

The product of its digits is 110592, while the sum is 41.

The square root of 2866838 is about 1693.1739426296. The cubic root of 2866838 is about 142.0586612093.

It can be divided in two parts, 28 and 66838, that added together give a palindrome (66866).

The spelling of 2866838 in words is "two million, eight hundred sixty-six thousand, eight hundred thirty-eight".