2886745 has 4 divisors (see below), whose sum is σ = 3464100. Its totient is φ = 2309392.

The previous prime is 2886743. The next prime is 2886757. The reversal of 2886745 is 5476882.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1058841 + 1827904 = 1029^2 + 1352^2 .

It is a cyclic number.

It is not a de Polignac number, because 2886745 - 2¹ = 2886743 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

2886745 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 2886698 and 2886707.

It is not an unprimeable number, because it can be changed into a prime (2886743) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 288670 + ... + 288679.

It is an arithmetic number, because the mean of its divisors is an integer number (866025).

2^2886745 is an apocalyptic number.

It is an amenable number.

2886745 is a deficient number, since it is larger than the sum of its proper divisors (577355).

2886745 is an equidigital number, since it uses as much as digits as its factorization.

2886745 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 577354.

The product of its digits is 107520, while the sum is 40.

The square root of 2886745 is about 1699.0423773408. The cubic root of 2886745 is about 142.3867161629.

The spelling of 2886745 in words is "two million, eight hundred eighty-six thousand, seven hundred forty-five".