2888005 has 4 divisors (see below), whose sum is σ = 3465612. Its totient is φ = 2310400.

The previous prime is 2887993. The next prime is 2888021. The reversal of 2888005 is 5008882.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5008882 = 2 ⋅2504441.

It can be written as a sum of positive squares in 2 ways, for example, as 2307361 + 580644 = 1519^2 + 762^2 .

It is not a de Polignac number, because 2888005 - 2¹⁷ = 2756933 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 288796 + ... + 288805.

It is an arithmetic number, because the mean of its divisors is an integer number (866403).

2^2888005 is an apocalyptic number.

It is an amenable number.

2888005 is a deficient number, since it is larger than the sum of its proper divisors (577607).

2888005 is an equidigital number, since it uses as much as digits as its factorization.

2888005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 577606.

The product of its (nonzero) digits is 5120, while the sum is 31.

The square root of 2888005 is about 1699.4131339966. The cubic root of 2888005 is about 142.4074293614.

The spelling of 2888005 in words is "two million, eight hundred eighty-eight thousand, five".