3886150921 has 27 divisors (see below), whose sum is σ = 4379595381. Its totient is φ = 3447097344.

The previous prime is 3886150901. The next prime is 3886150927. The reversal of 3886150921 is 1290516883.

The square root of 3886150921 is 62339.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 4 ways, for example, as 2368521 + 3883782400 = 1539^2 + 62320^2 .

It is not a de Polignac number, because 3886150921 - 2¹¹ = 3886148873 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3886150927) 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 26 ways as a sum of consecutive naturals, for example, 20135401 + ... + 20135593.

Almost surely, 2^3886150921 is an apocalyptic number.

3886150921 is the 62339-th square number.

3886150921 is the 31170-th centered octagonal number.

It is an amenable number.

3886150921 is a deficient number, since it is larger than the sum of its proper divisors (493444460).

3886150921 is an equidigital number, since it uses as much as digits as its factorization.

3886150921 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 458 (or 229 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 43.

The cubic root of 3886150921 is about 1572.1955193287.

The spelling of 3886150921 in words is "three billion, eight hundred eighty-six million, one hundred fifty thousand, nine hundred twenty-one".