4917878 has 16 divisors (see below), whose sum is σ = 8722080. Its totient is φ = 2034816.

The previous prime is 4917863. The next prime is 4917901. The reversal of 4917878 is 8787194.

It is a Curzon number.

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 7 ways as a sum of consecutive naturals, for example, 5651 + ... + 6462.

It is an arithmetic number, because the mean of its divisors is an integer number (545130).

Almost surely, 2^4917878 is an apocalyptic number.

4917878 is a deficient number, since it is larger than the sum of its proper divisors (3804202).

4917878 is a wasteful number, since it uses less digits than its factorization.

4917878 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12151.

The product of its digits is 112896, while the sum is 44.

The square root of 4917878 is about 2217.6289139529. The cubic root of 4917878 is about 170.0562443653.

The spelling of 4917878 in words is "four million, nine hundred seventeen thousand, eight hundred seventy-eight".