3904543 has 12 divisors (see below), whose sum is σ = 4289760. Its totient is φ = 3541440.

The previous prime is 3904517. The next prime is 3904547. The reversal of 3904543 is 3454093.

It is not a de Polignac number, because 3904543 - 2⁹ = 3904031 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3904547) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 16218 + ... + 16456.

It is an arithmetic number, because the mean of its divisors is an integer number (357480).

Almost surely, 2^3904543 is an apocalyptic number.

3904543 is a deficient number, since it is larger than the sum of its proper divisors (385217).

3904543 is a wasteful number, since it uses less digits than its factorization.

3904543 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 318 (or 287 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 28.

The square root of 3904543 is about 1975.9916497799. The cubic root of 3904543 is about 157.4671872519.

The spelling of 3904543 in words is "three million, nine hundred four thousand, five hundred forty-three".