333728 has 12 divisors (see below), whose sum is σ = 657090. Its totient is φ = 166848.

The previous prime is 333721. The next prime is 333737. The reversal of 333728 is 827333.

333728 is an esthetic number in base 14, because in such base its adjacent digits differ by 1.

It can be written as a sum of positive squares in only one way, i.e., 183184 + 150544 = 428^2 + 388^2 .

It is a super-2 number, since 2×333728² = 222748755968, which contains 22 as substring.

It is a Smith number, since the sum of its digits (26) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 333697 and 333706.

It is not an unprimeable number, because it can be changed into a prime (333721) by changing a digit.

333728 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5183 + ... + 5246.

2³³³⁷²⁸ is an apocalyptic number.

It is an amenable number.

333728 is a deficient number, since it is larger than the sum of its proper divisors (323362).

333728 is a wasteful number, since it uses less digits than its factorization.

333728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10439 (or 10431 counting only the distinct ones).

The product of its digits is 3024, while the sum is 26.

The square root of 333728 is about 577.6919594386. The cubic root of 333728 is about 69.3634813005.

The spelling of 333728 in words is "three hundred thirty-three thousand, seven hundred twenty-eight".