4066500 has 48 divisors (see below), whose sum is σ = 11846016. Its totient is φ = 1084000.

The previous prime is 4066453. The next prime is 4066507. The reversal of 4066500 is 56604.

It is a hoax number, since the sum of its digits (21) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (4066507) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 145 + ... + 2855.

It is an arithmetic number, because the mean of its divisors is an integer number (246792).

Almost surely, 2^4066500 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4066500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5923008).

4066500 is an abundant number, since it is smaller than the sum of its proper divisors (7779516).

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

4066500 is a wasteful number, since it uses less digits than its factorization.

4066500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2733 (or 2721 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 21.

The square root of 4066500 is about 2016.5564708185. The cubic root of 4066500 is about 159.6149595591.

The spelling of 4066500 in words is "four million, sixty-six thousand, five hundred".