2888645 has 8 divisors (see below), whose sum is σ = 3492504. Its totient is φ = 2293504.

The previous prime is 2888629. The next prime is 2888647. The reversal of 2888645 is 5468882.

It can be written as a sum of positive squares in 4 ways, for example, as 889249 + 1999396 = 943^2 + 1414^2 .

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 2888645 - 2⁴ = 2888629 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2888647) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1424 + ... + 2793.

It is an arithmetic number, because the mean of its divisors is an integer number (436563).

2^2888645 is an apocalyptic number.

It is an amenable number.

2888645 is a deficient number, since it is larger than the sum of its proper divisors (603859).

2888645 is a wasteful number, since it uses less digits than its factorization.

2888645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4359.

The product of its digits is 122880, while the sum is 41.

The square root of 2888645 is about 1699.6014238638. The cubic root of 2888645 is about 142.4179480439.

The spelling of 2888645 in words is "two million, eight hundred eighty-eight thousand, six hundred forty-five".