3861849173 has 8 divisors (see below), whose sum is σ = 4753045248. Its totient is φ = 3055528944.

The previous prime is 3861849151. The next prime is 3861849179. The reversal of 3861849173 is 3719481683.

3861849173 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 3861849173 - 2¹⁴ = 3861832789 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3861849179) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21218861 + ... + 21219042.

It is an arithmetic number, because the mean of its divisors is an integer number (594130656).

Almost surely, 2^3861849173 is an apocalyptic number.

It is an amenable number.

3861849173 is a deficient number, since it is larger than the sum of its proper divisors (891196075).

3861849173 is a wasteful number, since it uses less digits than its factorization.

3861849173 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42437923.

The product of its digits is 870912, while the sum is 50.

The square root of 3861849173 is about 62143.7782324184. The cubic root of 3861849173 is about 1568.9114627162.

The spelling of 3861849173 in words is "three billion, eight hundred sixty-one million, eight hundred forty-nine thousand, one hundred seventy-three".