3858986165 has 8 divisors (see below), whose sum is σ = 4874508960. Its totient is φ = 2924705232.

The previous prime is 3858986143. The next prime is 3858986167. The reversal of 3858986165 is 5616898583.

3858986165 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 a cyclic number.

It is not a de Polignac number, because 3858986165 - 2¹⁴ = 3858969781 is a prime.

It is a super-2 number, since 2×3858986165² = 29783548443322814450, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3858986167) 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, 20310359 + ... + 20310548.

It is an arithmetic number, because the mean of its divisors is an integer number (609313620).

Almost surely, 2^3858986165 is an apocalyptic number.

It is an amenable number.

3858986165 is a deficient number, since it is larger than the sum of its proper divisors (1015522795).

3858986165 is a wasteful number, since it uses less digits than its factorization.

3858986165 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40620931.

The product of its digits is 12441600, while the sum is 59.

The square root of 3858986165 is about 62120.7386063624. The cubic root of 3858986165 is about 1568.5236591593.

The spelling of 3858986165 in words is "three billion, eight hundred fifty-eight million, nine hundred eighty-six thousand, one hundred sixty-five".