2866738 has 16 divisors (see below), whose sum is σ = 4967424. Its totient is φ = 1215360.

The previous prime is 2866711. The next prime is 2866741. The reversal of 2866738 is 8376682.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 2866738.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 303 + ... + 2413.

It is an arithmetic number, because the mean of its divisors is an integer number (310464).

2^2866738 is an apocalyptic number.

2866738 is a deficient number, since it is larger than the sum of its proper divisors (2100686).

2866738 is a wasteful number, since it uses less digits than its factorization.

2866738 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2217.

The product of its digits is 96768, while the sum is 40.

The square root of 2866738 is about 1693.1444120334. The cubic root of 2866738 is about 142.0570094439.

It can be divided in two parts, 28 and 66738, that added together give a palindrome (66766).

The spelling of 2866738 in words is "two million, eight hundred sixty-six thousand, seven hundred thirty-eight".