3243904 has 16 divisors (see below), whose sum is σ = 6462720. Its totient is φ = 1621888.

The previous prime is 3243883. The next prime is 3243917. The reversal of 3243904 is 4093423.

3243904 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (16).

It is a super-2 number, since 2×3243904² = 21045826322432, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12544 + ... + 12799.

It is an arithmetic number, because the mean of its divisors is an integer number (403920).

Almost surely, 2^3243904 is an apocalyptic number.

It is an amenable number.

3243904 is a deficient number, since it is larger than the sum of its proper divisors (3218816).

3243904 is an equidigital number, since it uses as much as digits as its factorization.

3243904 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25357 (or 25345 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 25.

The square root of 3243904 is about 1801.0841179690. The cubic root of 3243904 is about 148.0321332712.

It can be divided in two parts, 32 and 43904, that multiplied together give a cube (1404928 = 112³).

The spelling of 3243904 in words is "three million, two hundred forty-three thousand, nine hundred four".