3666987852 has 24 divisors (see below), whose sum is σ = 9334151232. Its totient is φ = 1111208400.

The previous prime is 3666987829. The next prime is 3666987869. The reversal of 3666987852 is 2587896663.

It is a happy number.

3666987852 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13889974 + ... + 13890237.

It is an arithmetic number, because the mean of its divisors is an integer number (388922968).

Almost surely, 2^3666987852 is an apocalyptic number.

It is an amenable number.

3666987852 is an abundant number, since it is smaller than the sum of its proper divisors (5667163380).

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

3666987852 is a wasteful number, since it uses less digits than its factorization.

3666987852 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27780229 (or 27780227 counting only the distinct ones).

The product of its digits is 26127360, while the sum is 60.

The square root of 3666987852 is about 60555.6591244782. The cubic root of 3666987852 is about 1542.0666933897.

The spelling of 3666987852 in words is "three billion, six hundred sixty-six million, nine hundred eighty-seven thousand, eight hundred fifty-two".