3994099479 has 12 divisors (see below), whose sum is σ = 5813296632. Its totient is φ = 2642406000.

The previous prime is 3994099471. The next prime is 3994099517. The reversal of 3994099479 is 9749904993.

3994099479 is a `hidden beast` number, since 39 + 9 + 40 + 99 + 479 = 666.

It is not a de Polignac number, because 3994099479 - 2³ = 3994099471 is a prime.

It is a super-3 number, since 3×3994099479³ (a number of 30 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3994099471) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1692672 + ... + 1695029.

It is an arithmetic number, because the mean of its divisors is an integer number (484441386).

Almost surely, 2^3994099479 is an apocalyptic number.

3994099479 is a deficient number, since it is larger than the sum of its proper divisors (1819197153).

3994099479 is a wasteful number, since it uses less digits than its factorization.

3994099479 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3387838 (or 3387835 counting only the distinct ones).

The product of its (nonzero) digits is 19840464, while the sum is 63.

The square root of 3994099479 is about 63198.8882734499. Note that the first 3 decimals coincide. The cubic root of 3994099479 is about 1586.6201267499.

The spelling of 3994099479 in words is "three billion, nine hundred ninety-four million, ninety-nine thousand, four hundred seventy-nine".