2866345 has 8 divisors (see below), whose sum is σ = 3487176. Its totient is φ = 2261376.

The previous prime is 2866343. The next prime is 2866363. The reversal of 2866345 is 5436682.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 3481 + 2862864 = 59^2 + 1692^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2866345 - 2¹ = 2866343 is a prime.

It is a Duffinian number.

2866345 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 2866345.

It is not an unprimeable number, because it can be changed into a prime (2866343) by changing a digit.

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, 3562 + ... + 4291.

It is an arithmetic number, because the mean of its divisors is an integer number (435897).

2^2866345 is an apocalyptic number.

It is an amenable number.

2866345 is a deficient number, since it is larger than the sum of its proper divisors (620831).

2866345 is an equidigital number, since it uses as much as digits as its factorization.

2866345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7931.

The product of its digits is 34560, while the sum is 34.

The square root of 2866345 is about 1693.0283518004. The cubic root of 2866345 is about 142.0505176338.

The spelling of 2866345 in words is "two million, eight hundred sixty-six thousand, three hundred forty-five".