4064845 has 4 divisors (see below), whose sum is σ = 4877820. Its totient is φ = 3251872.

The previous prime is 4064839. The next prime is 4064849. The reversal of 4064845 is 5484604.

4064845 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1285956 + 2778889 = 1134^2 + 1667^2 .

It is a cyclic number.

It is not a de Polignac number, because 4064845 - 2¹¹ = 4062797 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4064849) by changing a digit.

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, 406480 + ... + 406489.

It is an arithmetic number, because the mean of its divisors is an integer number (1219455).

Almost surely, 2^4064845 is an apocalyptic number.

It is an amenable number.

4064845 is a deficient number, since it is larger than the sum of its proper divisors (812975).

4064845 is an equidigital number, since it uses as much as digits as its factorization.

4064845 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 812974.

The product of its (nonzero) digits is 15360, while the sum is 31.

The square root of 4064845 is about 2016.1460760570. The cubic root of 4064845 is about 159.5933030483.

The spelling of 4064845 in words is "four million, sixty-four thousand, eight hundred forty-five".