3688866852 has 24 divisors (see below), whose sum is σ = 9389843232. Its totient is φ = 1117838400.

The previous prime is 3688866827. The next prime is 3688866887. The reversal of 3688866852 is 2586688863.

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, 13972849 + ... + 13973112.

It is an arithmetic number, because the mean of its divisors is an integer number (391243468).

Almost surely, 2^3688866852 is an apocalyptic number.

It is an amenable number.

3688866852 is an abundant number, since it is smaller than the sum of its proper divisors (5700976380).

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

3688866852 is a wasteful number, since it uses less digits than its factorization.

3688866852 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27945979 (or 27945977 counting only the distinct ones).

The product of its digits is 26542080, while the sum is 60.

The square root of 3688866852 is about 60736.0424459810. The cubic root of 3688866852 is about 1545.1275159988.

It can be divided in two parts, 36888 and 66852, that added together give a triangular number (103740 = T₄₅₅).

The spelling of 3688866852 in words is "three billion, six hundred eighty-eight million, eight hundred sixty-six thousand, eight hundred fifty-two".