3994366194 has 48 divisors (see below), whose sum is σ = 10651647552. Its totient is φ = 1053458784.

The previous prime is 3994366177. The next prime is 3994366199. The reversal of 3994366194 is 4916634993.

3994366194 is a `hidden beast` number, since 3 + 9 + 94 + 366 + 194 = 666.

3994366194 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×3994366194² = 31909922583540091272, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 3994366194.

It is not an unprimeable number, because it can be changed into a prime (3994366199) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1217644 + ... + 1220919.

It is an arithmetic number, because the mean of its divisors is an integer number (221909324).

Almost surely, 2^3994366194 is an apocalyptic number.

3994366194 is an abundant number, since it is smaller than the sum of its proper divisors (6657281358).

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

3994366194 is a wasteful number, since it uses less digits than its factorization.

3994366194 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2438591 (or 2438588 counting only the distinct ones).

The product of its digits is 3779136, while the sum is 54.

The square root of 3994366194 is about 63200.9983623677. The cubic root of 3994366194 is about 1586.6554426761.

The spelling of 3994366194 in words is "three billion, nine hundred ninety-four million, three hundred sixty-six thousand, one hundred ninety-four".