4643878 has 8 divisors (see below), whose sum is σ = 6981480. Its totient is φ = 2316720.

The previous prime is 4643867. The next prime is 4643909. The reversal of 4643878 is 8783464.

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

It is a self number, because there is not a number n which added to its sum of digits gives 4643878.

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 3 ways as a sum of consecutive naturals, for example, 1383 + ... + 3346.

It is an arithmetic number, because the mean of its divisors is an integer number (872685).

Almost surely, 2^4643878 is an apocalyptic number.

4643878 is a deficient number, since it is larger than the sum of its proper divisors (2337602).

4643878 is a wasteful number, since it uses less digits than its factorization.

4643878 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5222.

The product of its digits is 129024, while the sum is 40.

The square root of 4643878 is about 2154.9658930016. The cubic root of 4643878 is about 166.8374720045.

The spelling of 4643878 in words is "four million, six hundred forty-three thousand, eight hundred seventy-eight".