2845778 has 8 divisors (see below), whose sum is σ = 4597068. Its totient is φ = 1313424.

The previous prime is 2845727. The next prime is 2845789. The reversal of 2845778 is 8775482.

2845778 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 2505889 + 339889 = 1583^2 + 583^2 .

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 54701 + ... + 54752.

2^2845778 is an apocalyptic number.

2845778 is a deficient number, since it is larger than the sum of its proper divisors (1751290).

2845778 is a wasteful number, since it uses less digits than its factorization.

2845778 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109468.

The product of its digits is 125440, while the sum is 41.

The square root of 2845778 is about 1686.9433896844. The cubic root of 2845778 is about 141.7099481749.

The spelling of 2845778 in words is "two million, eight hundred forty-five thousand, seven hundred seventy-eight".