3804345 has 24 divisors (see below), whose sum is σ = 6983496. Its totient is φ = 1909248.

The previous prime is 3804341. The next prime is 3804373. The reversal of 3804345 is 5434083.

It is a happy number.

3804345 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 4 ways, for example, as 1022121 + 2782224 = 1011^2 + 1668^2 .

It is not a de Polignac number, because 3804345 - 2² = 3804341 is a prime.

It is not an unprimeable number, because it can be changed into a prime (3804341) by changing a digit.

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 in 23 ways as a sum of consecutive naturals, for example, 1722 + ... + 3251.

It is an arithmetic number, because the mean of its divisors is an integer number (290979).

Almost surely, 2^3804345 is an apocalyptic number.

It is an amenable number.

3804345 is a deficient number, since it is larger than the sum of its proper divisors (3179151).

3804345 is a wasteful number, since it uses less digits than its factorization.

3804345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5001 (or 4998 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 27.

The square root of 3804345 is about 1950.4730195519. The cubic root of 3804345 is about 156.1085290155.

The spelling of 3804345 in words is "three million, eight hundred four thousand, three hundred forty-five".