3946531189 has 8 divisors (see below), whose sum is σ = 4025669760. Its totient is φ = 3868122336.

The previous prime is 3946531177. The next prime is 3946531241. The reversal of 3946531189 is 9811356493.

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 3946531189 - 2¹⁵ = 3946498421 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3946531139) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 171499 + ... + 193144.

It is an arithmetic number, because the mean of its divisors is an integer number (503208720).

Almost surely, 2^3946531189 is an apocalyptic number.

It is an amenable number.

3946531189 is a deficient number, since it is larger than the sum of its proper divisors (79138571).

3946531189 is a wasteful number, since it uses less digits than its factorization.

3946531189 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 364859.

The product of its digits is 699840, while the sum is 49.

The square root of 3946531189 is about 62821.4230099892. The cubic root of 3946531189 is about 1580.2962630102.

The spelling of 3946531189 in words is "three billion, nine hundred forty-six million, five hundred thirty-one thousand, one hundred eighty-nine".