3904135443 has 112 divisors (see below), whose sum is σ = 6622215936. Its totient is φ = 2284277760.

The previous prime is 3904135439. The next prime is 3904135453. The reversal of 3904135443 is 3445314093.

It is not a de Polignac number, because 3904135443 - 2² = 3904135439 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 3904135398 and 3904135407.

It is not an unprimeable number, because it can be changed into a prime (3904135453) by changing a digit.

It is a polite number, since it can be written in 111 ways as a sum of consecutive naturals, for example, 28497271 + ... + 28497407.

It is an arithmetic number, because the mean of its divisors is an integer number (59126928).

Almost surely, 2^3904135443 is an apocalyptic number.

3904135443 is a deficient number, since it is larger than the sum of its proper divisors (2718080493).

3904135443 is a wasteful number, since it uses less digits than its factorization.

3904135443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 296 (or 281 counting only the distinct ones).

The product of its (nonzero) digits is 77760, while the sum is 36.

The square root of 3904135443 is about 62483.0812540483. The cubic root of 3904135443 is about 1574.6170824220.

The spelling of 3904135443 in words is "three billion, nine hundred four million, one hundred thirty-five thousand, four hundred forty-three".