4878865 has 8 divisors (see below), whose sum is σ = 5866920. Its totient is φ = 3894912.

The previous prime is 4878851. The next prime is 4878869. The reversal of 4878865 is 5688784.

It can be written as a sum of positive squares in 4 ways, for example, as 1329409 + 3549456 = 1153^2 + 1884^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 4878865 - 2¹⁹ = 4354577 is a prime.

It is not an unprimeable number, because it can be changed into a prime (4878869) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3141 + ... + 4429.

It is an arithmetic number, because the mean of its divisors is an integer number (733365).

Almost surely, 2^4878865 is an apocalyptic number.

It is an amenable number.

4878865 is a deficient number, since it is larger than the sum of its proper divisors (988055).

4878865 is a wasteful number, since it uses less digits than its factorization.

4878865 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2051.

The product of its digits is 430080, while the sum is 46.

The square root of 4878865 is about 2208.8152933190. The cubic root of 4878865 is about 169.6053706803.

The spelling of 4878865 in words is "four million, eight hundred seventy-eight thousand, eight hundred sixty-five".