3994189068 has 12 divisors (see below), whose sum is σ = 9319774520. Its totient is φ = 1331396352.

The previous prime is 3994189061. The next prime is 3994189091. The reversal of 3994189068 is 8609814993.

3994189068 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (12).

It is a junction number, because it is equal to n+sod(n) for n = 3994188999 and 3994189017.

It is not an unprimeable number, because it can be changed into a prime (3994189061) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 166424533 + ... + 166424556.

Almost surely, 2^3994189068 is an apocalyptic number.

It is an amenable number.

3994189068 is an abundant number, since it is smaller than the sum of its proper divisors (5325585452).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3994189068 is a wasteful number, since it uses less digits than its factorization.

3994189068 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 332849096 (or 332849094 counting only the distinct ones).

The product of its (nonzero) digits is 3359232, while the sum is 57.

The square root of 3994189068 is about 63199.5970556775. The cubic root of 3994189068 is about 1586.6319894696.

The spelling of 3994189068 in words is "three billion, nine hundred ninety-four million, one hundred eighty-nine thousand, sixty-eight".