4394865 has 16 divisors (see below), whose sum is σ = 7138368. Its totient is φ = 2308416.

The previous prime is 4394843. The next prime is 4394879. The reversal of 4394865 is 5684934.

It is not a de Polignac number, because 4394865 - 2⁶ = 4394801 is a prime.

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 15 ways as a sum of consecutive naturals, for example, 1182 + ... + 3191.

It is an arithmetic number, because the mean of its divisors is an integer number (446148).

Almost surely, 2^4394865 is an apocalyptic number.

It is an amenable number.

4394865 is a deficient number, since it is larger than the sum of its proper divisors (2743503).

4394865 is a wasteful number, since it uses less digits than its factorization.

4394865 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4448.

The product of its digits is 103680, while the sum is 39.

The square root of 4394865 is about 2096.3933314147. The cubic root of 4394865 is about 163.8004836284.

The spelling of 4394865 in words is "four million, three hundred ninety-four thousand, eight hundred sixty-five".