4023306 has 48 divisors (see below), whose sum is σ = 10243584. Its totient is φ = 1117152.

The previous prime is 4023293. The next prime is 4023311. The reversal of 4023306 is 6033204.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4231 + ... + 5093.

It is an arithmetic number, because the mean of its divisors is an integer number (213408).

Almost surely, 2^4023306 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4023306, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5121792).

4023306 is an abundant number, since it is smaller than the sum of its proper divisors (6220278).

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

4023306 is a wasteful number, since it uses less digits than its factorization.

4023306 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 915 (or 912 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 18.

The square root of 4023306 is about 2005.8180376096. The cubic root of 4023306 is about 159.0478080990.

The spelling of 4023306 in words is "four million, twenty-three thousand, three hundred six".