2866764 has 12 divisors (see below), whose sum is σ = 6689144. Its totient is φ = 955584.

The previous prime is 2866753. The next prime is 2866781. The reversal of 2866764 is 4676682.

It is a tau number, because it is divible by the number of its divisors (12).

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 3 ways as a sum of consecutive naturals, for example, 119437 + ... + 119460.

2^2866764 is an apocalyptic number.

It is an amenable number.

2866764 is an abundant number, since it is smaller than the sum of its proper divisors (3822380).

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

2866764 is a wasteful number, since it uses less digits than its factorization.

2866764 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 238904 (or 238902 counting only the distinct ones).

The product of its digits is 96768, while the sum is 39.

The square root of 2866764 is about 1693.1520900380. The cubic root of 2866764 is about 142.0574389066.

The spelling of 2866764 in words is "two million, eight hundred sixty-six thousand, seven hundred sixty-four".