4078206 has 48 divisors (see below), whose sum is σ = 9884160. Its totient is φ = 1204560.

The previous prime is 4078201. The next prime is 4078211. The reversal of 4078206 is 6028704.

It is an interprime number because it is at equal distance from previous prime (4078201) and next prime (4078211).

It is a self number, because there is not a number n which added to its sum of digits gives 4078206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4078201) 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, 8275 + ... + 8753.

It is an arithmetic number, because the mean of its divisors is an integer number (205920).

Almost surely, 2^4078206 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4078206, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4942080).

4078206 is an abundant number, since it is smaller than the sum of its proper divisors (5805954).

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

4078206 is a wasteful number, since it uses less digits than its factorization.

4078206 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 541 (or 538 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 27.

The square root of 4078206 is about 2019.4568576724. The cubic root of 4078206 is about 159.7679709701.

The spelling of 4078206 in words is "four million, seventy-eight thousand, two hundred six".