3253728 has 24 divisors (see below), whose sum is σ = 8541288. Its totient is φ = 1084544.

The previous prime is 3253711. The next prime is 3253739. The reversal of 3253728 is 8273523.

It is a tau number, because it is divible by the number of its divisors (24).

It is a super-3 number, since 3×3253728³ (a number of 21 digits) contains 333 as substring.

It is a d-powerful number, because it can be written as 3¹³ + 2⁸ + 5⁶ + 3¹³ + 7² + 2¹⁴ + 8⁵ .

It is a junction number, because it is equal to n+sod(n) for n = 3253695 and 3253704.

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, 16851 + ... + 17042.

It is an arithmetic number, because the mean of its divisors is an integer number (355887).

Almost surely, 2^3253728 is an apocalyptic number.

It is an amenable number.

3253728 is an abundant number, since it is smaller than the sum of its proper divisors (5287560).

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

3253728 is a wasteful number, since it uses less digits than its factorization.

3253728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33906 (or 33898 counting only the distinct ones).

The product of its digits is 10080, while the sum is 30.

The square root of 3253728 is about 1803.8093025594. The cubic root of 3253728 is about 148.1814186265.

The spelling of 3253728 in words is "three million, two hundred fifty-three thousand, seven hundred twenty-eight".