2888945 has 8 divisors (see below), whose sum is σ = 3476520. Its totient is φ = 2304640.

The previous prime is 2888917. The next prime is 2888953. The reversal of 2888945 is 5498882.

It can be written as a sum of positive squares in 4 ways, for example, as 39601 + 2849344 = 199^2 + 1688^2 .

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

It is not a de Polignac number, because 2888945 - 2¹⁰ = 2887921 is a prime.

It is a super-3 number, since 3×2888945³ = 72333432756757525875, which contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2888896 and 2888905.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2051 + ... + 3159.

It is an arithmetic number, because the mean of its divisors is an integer number (434565).

2^2888945 is an apocalyptic number.

It is an amenable number.

2888945 is a deficient number, since it is larger than the sum of its proper divisors (587575).

2888945 is a wasteful number, since it uses less digits than its factorization.

2888945 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1635.

The product of its digits is 184320, while the sum is 44.

The square root of 2888945 is about 1699.6896775588. The cubic root of 2888945 is about 142.4228781415.

The spelling of 2888945 in words is "two million, eight hundred eighty-eight thousand, nine hundred forty-five".