4686318 has 48 divisors (see below), whose sum is σ = 12501216. Its totient is φ = 1235520.

The previous prime is 4686317. The next prime is 4686343. The reversal of 4686318 is 8136864.

It is a happy number.

4686318 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4686317) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 208 + ... + 3068.

It is an arithmetic number, because the mean of its divisors is an integer number (260442).

Almost surely, 2^4686318 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4686318, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6250608).

4686318 is an abundant number, since it is smaller than the sum of its proper divisors (7814898).

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

4686318 is a wasteful number, since it uses less digits than its factorization.

4686318 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2889 (or 2886 counting only the distinct ones).

The product of its digits is 27648, while the sum is 36.

The square root of 4686318 is about 2164.7905210435. The cubic root of 4686318 is about 167.3441693203.

It can be divided in two parts, 468 and 6318, that added together give a triangular number (6786 = T₁₁₆).

The spelling of 4686318 in words is "four million, six hundred eighty-six thousand, three hundred eighteen".