3257328 has 40 divisors (see below), whose sum is σ = 8531200. Its totient is φ = 1070784.

The previous prime is 3257299. The next prime is 3257347. The reversal of 3257328 is 8237523.

It is a super-2 number, since 2×3257328² = 21220371399168, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 3257295 and 3257304.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3363 + ... + 4221.

It is an arithmetic number, because the mean of its divisors is an integer number (213280).

Almost surely, 2^3257328 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 3257328, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4265600).

3257328 is an abundant number, since it is smaller than the sum of its proper divisors (5273872).

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

3257328 is a wasteful number, since it uses less digits than its factorization.

3257328 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 949 (or 943 counting only the distinct ones).

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

The square root of 3257328 is about 1804.8069148804. The cubic root of 3257328 is about 148.2360489343.

The spelling of 3257328 in words is "three million, two hundred fifty-seven thousand, three hundred twenty-eight".