4445864 has 16 divisors (see below), whose sum is σ = 8363520. Its totient is φ = 2215600.

The previous prime is 4445851. The next prime is 4445869. The reversal of 4445864 is 4685444.

It is not an unprimeable number, because it can be changed into a prime (4445869) 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, 2339 + ... + 3789.

It is an arithmetic number, because the mean of its divisors is an integer number (522720).

Almost surely, 2^4445864 is an apocalyptic number.

It is an amenable number.

4445864 is a deficient number, since it is larger than the sum of its proper divisors (3917656).

4445864 is a wasteful number, since it uses less digits than its factorization.

4445864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1840 (or 1836 counting only the distinct ones).

The product of its digits is 61440, while the sum is 35.

The square root of 4445864 is about 2108.5217570611. The cubic root of 4445864 is about 164.4316410506.

The spelling of 4445864 in words is "four million, four hundred forty-five thousand, eight hundred sixty-four".