4857918 has 32 divisors (see below), whose sum is σ = 10645152. Its totient is φ = 1468800.

The previous prime is 4857893. The next prime is 4857943. The reversal of 4857918 is 8197584.

It is an interprime number because it is at equal distance from previous prime (4857893) and next prime (4857943).

It is an Ulam number.

It is a self number, because there is not a number n which added to its sum of digits gives 4857918.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4248 + ... + 5268.

It is an arithmetic number, because the mean of its divisors is an integer number (332661).

Almost surely, 2^4857918 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4857918, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5322576).

4857918 is an abundant number, since it is smaller than the sum of its proper divisors (5787234).

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

4857918 is a wasteful number, since it uses less digits than its factorization.

4857918 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1100.

The product of its digits is 80640, while the sum is 42.

The square root of 4857918 is about 2204.0685107319. The cubic root of 4857918 is about 169.3622936325.

It can be divided in two parts, 4857 and 918, that added together give a palindrome (5775).

The spelling of 4857918 in words is "four million, eight hundred fifty-seven thousand, nine hundred eighteen".