3604728 has 16 divisors (see below), whose sum is σ = 9011880. Its totient is φ = 1201568.

The previous prime is 3604717. The next prime is 3604747. The reversal of 3604728 is 8274063.

3604728 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 3604695 and 3604704.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 75075 + ... + 75122.

Almost surely, 2^3604728 is an apocalyptic number.

It is an amenable number.

3604728 is an abundant number, since it is smaller than the sum of its proper divisors (5407152).

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

3604728 is a wasteful number, since it uses less digits than its factorization.

3604728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 150206 (or 150202 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 30.

The square root of 3604728 is about 1898.6121246848. The cubic root of 3604728 is about 153.3289517757.

The spelling of 3604728 in words is "three million, six hundred four thousand, seven hundred twenty-eight".