4068306 has 48 divisors (see below), whose sum is σ = 9985248. Its totient is φ = 1231200.

The previous prime is 4068301. The next prime is 4068313. The reversal of 4068306 is 6038604.

It is a super-2 number, since 2×4068306² = 33102227419272, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a self number, because there is not a number n which added to its sum of digits gives 4068306.

It is not an unprimeable number, because it can be changed into a prime (4068301) 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, 4966 + ... + 5726.

It is an arithmetic number, because the mean of its divisors is an integer number (208026).

Almost surely, 2^4068306 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4068306, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4992624).

4068306 is an abundant number, since it is smaller than the sum of its proper divisors (5916942).

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

4068306 is a wasteful number, since it uses less digits than its factorization.

4068306 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 789 (or 777 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 27.

The square root of 4068306 is about 2017.0042141751. The cubic root of 4068306 is about 159.6385852776.

The spelling of 4068306 in words is "four million, sixty-eight thousand, three hundred six".