3728227584 has 72 divisors (see below), whose sum is σ = 9964189312. Its totient is φ = 1237524480.

The previous prime is 3728227583. The next prime is 3728227589. The reversal of 3728227584 is 4857228273.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3728227583) 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, 175017 + ... + 195159.

Almost surely, 2^3728227584 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 3728227584, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4982094656).

3728227584 is an abundant number, since it is smaller than the sum of its proper divisors (6235961728).

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

3728227584 is a wasteful number, since it uses less digits than its factorization.

3728227584 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20403 (or 20389 counting only the distinct ones).

The product of its digits is 1505280, while the sum is 48.

The square root of 3728227584 is about 61059.2137518982. The cubic root of 3728227584 is about 1550.6036613649.

The spelling of 3728227584 in words is "three billion, seven hundred twenty-eight million, two hundred twenty-seven thousand, five hundred eighty-four".