3883728 has 20 divisors (see below), whose sum is σ = 10033088. Its totient is φ = 1294560.

The previous prime is 3883727. The next prime is 3883811. The reversal of 3883728 is 8273883.

It is a happy number.

It is a super-3 number, since 3×3883728³ (a number of 21 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3883727) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 40408 + ... + 40503.

Almost surely, 2^3883728 is an apocalyptic number.

It is an amenable number.

3883728 is an abundant number, since it is smaller than the sum of its proper divisors (6149360).

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

3883728 is a wasteful number, since it uses less digits than its factorization.

3883728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80922 (or 80916 counting only the distinct ones).

The product of its digits is 64512, while the sum is 39.

The square root of 3883728 is about 1970.7176357865. The cubic root of 3883728 is about 157.1868709454.

The spelling of 3883728 in words is "three million, eight hundred eighty-three thousand, seven hundred twenty-eight".