3865900052 has 24 divisors (see below), whose sum is σ = 7743786624. Its totient is φ = 1654245792.

The previous prime is 3865900021. The next prime is 3865900061. The reversal of 3865900052 is 2500095683.

3865900052 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 3865899979 and 3865900015.

It is a congruent number.

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, 88583 + ... + 124814.

It is an arithmetic number, because the mean of its divisors is an integer number (322657776).

Almost surely, 2^3865900052 is an apocalyptic number.

It is an amenable number.

3865900052 is an abundant number, since it is smaller than the sum of its proper divisors (3877886572).

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

3865900052 is a wasteful number, since it uses less digits than its factorization.

3865900052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 214055 (or 214053 counting only the distinct ones).

The product of its (nonzero) digits is 64800, while the sum is 38.

The square root of 3865900052 is about 62176.3624860767. The cubic root of 3865900052 is about 1569.4598398727.

The spelling of 3865900052 in words is "three billion, eight hundred sixty-five million, nine hundred thousand, fifty-two".