2886445 has 8 divisors (see below), whose sum is σ = 3486744. Its totient is φ = 2293824.

The previous prime is 2886419. The next prime is 2886451. The reversal of 2886445 is 5446882.

It can be written as a sum of positive squares in 4 ways, for example, as 386884 + 2499561 = 622^2 + 1581^2 .

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 2886445 - 2⁹ = 2885933 is a prime.

It is an Ulam number.

It is a Duffinian number.

2886445 is a lucky number.

It is a congruent number.

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, 1054 + ... + 2623.

It is an arithmetic number, because the mean of its divisors is an integer number (435843).

2^2886445 is an apocalyptic number.

It is an amenable number.

2886445 is a deficient number, since it is larger than the sum of its proper divisors (600299).

2886445 is a wasteful number, since it uses less digits than its factorization.

2886445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3839.

The product of its digits is 61440, while the sum is 37.

The square root of 2886445 is about 1698.9540900213. The cubic root of 2886445 is about 142.3817835607.

The spelling of 2886445 in words is "two million, eight hundred eighty-six thousand, four hundred forty-five".