4917855 has 16 divisors (see below), whose sum is σ = 8082144. Its totient is φ = 2551680.

The previous prime is 4917853. The next prime is 4917859. The reversal of 4917855 is 5587194.

4917855 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 4917855 - 2¹ = 4917853 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4917853) 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, 3876 + ... + 4985.

It is an arithmetic number, because the mean of its divisors is an integer number (505134).

Almost surely, 2^4917855 is an apocalyptic number.

4917855 is a deficient number, since it is larger than the sum of its proper divisors (3164289).

4917855 is a wasteful number, since it uses less digits than its factorization.

4917855 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8906.

The product of its digits is 50400, while the sum is 39.

The square root of 4917855 is about 2217.6237282280. The cubic root of 4917855 is about 170.0559792578.

The spelling of 4917855 in words is "four million, nine hundred seventeen thousand, eight hundred fifty-five".