4878405 has 48 divisors (see below), whose sum is σ = 10243584. Its totient is φ = 2096640.

The previous prime is 4878397. The next prime is 4878431. The reversal of 4878405 is 5048784.

It is not a de Polignac number, because 4878405 - 2³ = 4878397 is a prime.

4878405 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 4878405.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 4900 + ... + 5810.

It is an arithmetic number, because the mean of its divisors is an integer number (213408).

Almost surely, 2^4878405 is an apocalyptic number.

4878405 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

4878405 is an abundant number, since it is smaller than the sum of its proper divisors (5365179).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4878405 is a wasteful number, since it uses less digits than its factorization.

4878405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 946 (or 943 counting only the distinct ones).

The product of its (nonzero) digits is 35840, while the sum is 36.

The square root of 4878405 is about 2208.7111626467. The cubic root of 4878405 is about 169.6000401425.

The spelling of 4878405 in words is "four million, eight hundred seventy-eight thousand, four hundred five".