3994923325 has 6 divisors (see below), whose sum is σ = 4953704954. Its totient is φ = 3195938640.

The previous prime is 3994923319. The next prime is 3994923353. The reversal of 3994923325 is 5233294993.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 77915929 + 3917007396 = 8827^2 + 62586^2 .

It is not a de Polignac number, because 3994923325 - 2⁵ = 3994923293 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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 5 ways as a sum of consecutive naturals, for example, 79898442 + ... + 79898491.

Almost surely, 2^3994923325 is an apocalyptic number.

It is an amenable number.

3994923325 is a deficient number, since it is larger than the sum of its proper divisors (958781629).

3994923325 is a wasteful number, since it uses less digits than its factorization.

3994923325 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 159796943 (or 159796938 counting only the distinct ones).

The product of its digits is 1574640, while the sum is 49.

The square root of 3994923325 is about 63205.4058210214. The cubic root of 3994923325 is about 1586.7292077238.

The spelling of 3994923325 in words is "three billion, nine hundred ninety-four million, nine hundred twenty-three thousand, three hundred twenty-five".