3940988189 has 8 divisors (see below), whose sum is σ = 4163177280. Its totient is φ = 3720276000.

The previous prime is 3940988137. The next prime is 3940988213. The reversal of 3940988189 is 9818890493.

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

It is not a de Polignac number, because 3940988189 - 2¹⁶ = 3940922653 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3940988789) 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, 363737 + ... + 374414.

It is an arithmetic number, because the mean of its divisors is an integer number (520397160).

Almost surely, 2^3940988189 is an apocalyptic number.

It is an amenable number.

3940988189 is a deficient number, since it is larger than the sum of its proper divisors (222189091).

3940988189 is a wasteful number, since it uses less digits than its factorization.

3940988189 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 738451.

The product of its (nonzero) digits is 4478976, while the sum is 59.

The square root of 3940988189 is about 62777.2903923067. The cubic root of 3940988189 is about 1579.5560613846.

The spelling of 3940988189 in words is "three billion, nine hundred forty million, nine hundred eighty-eight thousand, one hundred eighty-nine".