4243806 has 64 divisors (see below), whose sum is σ = 10982400. Its totient is φ = 1189728.

The previous prime is 4243793. The next prime is 4243819. The reversal of 4243806 is 6083424.

It is an interprime number because it is at equal distance from previous prime (4243793) and next prime (4243819).

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

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 4243806.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 38880 + ... + 38988.

It is an arithmetic number, because the mean of its divisors is an integer number (171600).

Almost surely, 2^4243806 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4243806, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5491200).

4243806 is an abundant number, since it is smaller than the sum of its proper divisors (6738594).

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

4243806 is a wasteful number, since it uses less digits than its factorization.

4243806 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 230 (or 224 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 27.

The square root of 4243806 is about 2060.0499993932. The cubic root of 4243806 is about 161.9018609987.

The spelling of 4243806 in words is "four million, two hundred forty-three thousand, eight hundred six".