3852708921 has 16 divisors (see below), whose sum is σ = 5712721920. Its totient is φ = 2566220400.

The previous prime is 3852708911. The next prime is 3852708947. The reversal of 3852708921 is 1298072583.

It is a happy number.

3852708921 is a `hidden beast` number, since 38 + 527 + 0 + 8 + 92 + 1 = 666.

It is not a de Polignac number, because 3852708921 - 2⁵ = 3852708889 is a prime.

It is not an unprimeable number, because it can be changed into a prime (3852708901) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 30910 + ... + 93063.

It is an arithmetic number, because the mean of its divisors is an integer number (357045120).

Almost surely, 2^3852708921 is an apocalyptic number.

It is an amenable number.

3852708921 is a deficient number, since it is larger than the sum of its proper divisors (1860012999).

3852708921 is a wasteful number, since it uses less digits than its factorization.

3852708921 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 125133 (or 125127 counting only the distinct ones).

The product of its (nonzero) digits is 241920, while the sum is 45.

The square root of 3852708921 is about 62070.1934989734. The cubic root of 3852708921 is about 1567.6727146516.

The spelling of 3852708921 in words is "three billion, eight hundred fifty-two million, seven hundred eight thousand, nine hundred twenty-one".