4878140 has 24 divisors (see below), whose sum is σ = 10305792. Its totient is φ = 1939520.

The previous prime is 4878121. The next prime is 4878149. The reversal of 4878140 is 418784.

4878140 = 55² + 56² + ... + 245².

It is a junction number, because it is equal to n+sod(n) for n = 4878097 and 4878106.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4878149) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3182 + ... + 4458.

It is an arithmetic number, because the mean of its divisors is an integer number (429408).

Almost surely, 2^4878140 is an apocalyptic number.

It is an amenable number.

4878140 is an abundant number, since it is smaller than the sum of its proper divisors (5427652).

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

4878140 is a wasteful number, since it uses less digits than its factorization.

4878140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1477 (or 1475 counting only the distinct ones).

The product of its (nonzero) digits is 7168, while the sum is 32.

The square root of 4878140 is about 2208.6511720958. The cubic root of 4878140 is about 169.5969691371.

The spelling of 4878140 in words is "four million, eight hundred seventy-eight thousand, one hundred forty".