4878321 has 16 divisors (see below), whose sum is σ = 7473024. Its totient is φ = 2772864.

The previous prime is 4878319. The next prime is 4878361. The reversal of 4878321 is 1238784.

It is not a de Polignac number, because 4878321 - 2¹ = 4878319 is a prime.

4878321 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (4878301) 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, 4395 + ... + 5391.

It is an arithmetic number, because the mean of its divisors is an integer number (467064).

Almost surely, 2^4878321 is an apocalyptic number.

It is an amenable number.

4878321 is a deficient number, since it is larger than the sum of its proper divisors (2594703).

4878321 is a wasteful number, since it uses less digits than its factorization.

4878321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1240.

The product of its digits is 10752, while the sum is 33.

The square root of 4878321 is about 2208.6921469503. The cubic root of 4878321 is about 169.5990667038.

The spelling of 4878321 in words is "four million, eight hundred seventy-eight thousand, three hundred twenty-one".