3609804 has 96 divisors (see below), whose sum is σ = 10160640. Its totient is φ = 985600.

The previous prime is 3609803. The next prime is 3609817. The reversal of 3609804 is 4089063.

3609804 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Smith number, since the sum of its digits (30) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3609803) 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 31 ways as a sum of consecutive naturals, for example, 88024 + ... + 88064.

It is an arithmetic number, because the mean of its divisors is an integer number (105840).

Almost surely, 2^3609804 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3609804, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5080320).

3609804 is an abundant number, since it is smaller than the sum of its proper divisors (6550836).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3609804 is a wasteful number, since it uses less digits than its factorization.

3609804 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111 (or 109 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 30.

The square root of 3609804 is about 1899.9484203525. The cubic root of 3609804 is about 153.4008881071.

The spelling of 3609804 in words is "three million, six hundred nine thousand, eight hundred four".