3721584 has 40 divisors (see below), whose sum is σ = 10035072. Its totient is φ = 1186240.

The previous prime is 3721583. The next prime is 3721603. The reversal of 3721584 is 4851273.

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 (3721583) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 582 + ... + 2789.

Almost surely, 2^3721584 is an apocalyptic number.

It is an amenable number.

3721584 is an abundant number, since it is smaller than the sum of its proper divisors (6313488).

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

3721584 is a wasteful number, since it uses less digits than its factorization.

3721584 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3405 (or 3399 counting only the distinct ones).

The product of its digits is 6720, while the sum is 30.

The square root of 3721584 is about 1929.1407413665. The cubic root of 3721584 is about 154.9682071456.

The spelling of 3721584 in words is "three million, seven hundred twenty-one thousand, five hundred eighty-four".