4917856 has 24 divisors (see below), whose sum is σ = 9732744. Its totient is φ = 2446080.

The previous prime is 4917853. The next prime is 4917859. The reversal of 4917856 is 6587194.

It is an interprime number because it is at equal distance from previous prime (4917853) and next prime (4917859).

It is a d-powerful number, because it can be written as 4⁷ + 9⁷ + 1 + 7⁶ + 8³ + 5³ + 6³ .

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 3 ways as a sum of consecutive naturals, for example, 9771 + ... + 10261.

It is an arithmetic number, because the mean of its divisors is an integer number (405531).

Almost surely, 2^4917856 is an apocalyptic number.

It is an amenable number.

4917856 is a deficient number, since it is larger than the sum of its proper divisors (4814888).

4917856 is a wasteful number, since it uses less digits than its factorization.

4917856 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 814 (or 806 counting only the distinct ones).

The product of its digits is 60480, while the sum is 40.

The square root of 4917856 is about 2217.6239536946. The cubic root of 4917856 is about 170.0559907842.

It can be divided in two parts, 491 and 7856, that multiplied together give a square (3857296 = 1964²).

The spelling of 4917856 in words is "four million, nine hundred seventeen thousand, eight hundred fifty-six".