4578865 has 16 divisors (see below), whose sum is σ = 5885568. Its totient is φ = 3407616.

The previous prime is 4578857. The next prime is 4578869. The reversal of 4578865 is 5688754.

It is not a de Polignac number, because 4578865 - 2³ = 4578857 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4578869) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8494 + ... + 9016.

It is an arithmetic number, because the mean of its divisors is an integer number (367848).

Almost surely, 2^4578865 is an apocalyptic number.

It is an amenable number.

4578865 is a deficient number, since it is larger than the sum of its proper divisors (1306703).

4578865 is a wasteful number, since it uses less digits than its factorization.

4578865 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 648.

The product of its digits is 268800, while the sum is 43.

The square root of 4578865 is about 2139.8282641371. The cubic root of 4578865 is about 166.0552508783.

The spelling of 4578865 in words is "four million, five hundred seventy-eight thousand, eight hundred sixty-five".