4066452 has 36 divisors (see below), whose sum is σ = 11071060. Its totient is φ = 1251072.

The previous prime is 4066441. The next prime is 4066453. The reversal of 4066452 is 2546604.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 2178576 + 1887876 = 1476^2 + 1374^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4066453) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3877 + ... + 4812.

Almost surely, 2^4066452 is an apocalyptic number.

It is an amenable number.

4066452 is an abundant number, since it is smaller than the sum of its proper divisors (7004608).

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

4066452 is a wasteful number, since it uses less digits than its factorization.

4066452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8712 (or 8707 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 27.

The square root of 4066452 is about 2016.5445693066. The cubic root of 4066452 is about 159.6143315376.

The spelling of 4066452 in words is "four million, sixty-six thousand, four hundred fifty-two".