3904134309 has 20 divisors (see below), whose sum is σ = 6033212460. Its totient is φ = 2513004480.

The previous prime is 3904134257. The next prime is 3904134319. The reversal of 3904134309 is 9034314093.

3904134309 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 3130738209 + 773396100 = 55953^2 + 27810^2 .

It is not a de Polignac number, because 3904134309 - 2¹¹ = 3904132261 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3904134319) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 828672 + ... + 833369.

It is an arithmetic number, because the mean of its divisors is an integer number (301660623).

Almost surely, 2^3904134309 is an apocalyptic number.

It is an amenable number.

3904134309 is a deficient number, since it is larger than the sum of its proper divisors (2129078151).

3904134309 is a wasteful number, since it uses less digits than its factorization.

3904134309 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1662082 (or 1662073 counting only the distinct ones).

The product of its (nonzero) digits is 34992, while the sum is 36.

The square root of 3904134309 is about 62483.0721795912. The cubic root of 3904134309 is about 1574.6169299669.

The spelling of 3904134309 in words is "three billion, nine hundred four million, one hundred thirty-four thousand, three hundred nine".