4878645 has 32 divisors (see below), whose sum is σ = 8294400. Its totient is φ = 2443584.

The previous prime is 4878617. The next prime is 4878661. The reversal of 4878645 is 5468784.

4878645 is nontrivially palindromic in base 14.

It is not a de Polignac number, because 4878645 - 2⁶ = 4878581 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 4878597 and 4878606.

It is a congruent number.

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 31 ways as a sum of consecutive naturals, for example, 27166 + ... + 27344.

It is an arithmetic number, because the mean of its divisors is an integer number (259200).

Almost surely, 2^4878645 is an apocalyptic number.

It is an amenable number.

4878645 is a deficient number, since it is larger than the sum of its proper divisors (3415755).

4878645 is a wasteful number, since it uses less digits than its factorization.

4878645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 289.

The product of its digits is 215040, while the sum is 42.

The square root of 4878645 is about 2208.7654923056. The cubic root of 4878645 is about 169.6028213345.

The spelling of 4878645 in words is "four million, eight hundred seventy-eight thousand, six hundred forty-five".