3228528 has 20 divisors (see below), whose sum is σ = 8340488. Its totient is φ = 1076160.

The previous prime is 3228527. The next prime is 3228559. The reversal of 3228528 is 8258223.

3228528 = 302² + 303² + ... + 333².

It is a d-powerful number, because it can be written as 3 + 2¹² + 2²⁰ + 8² + 5⁷ + 2²¹ + 8³ .

It is a junction number, because it is equal to n+sod(n) for n = 3228495 and 3228504.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3228527) 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, 33583 + ... + 33678.

Almost surely, 2^3228528 is an apocalyptic number.

It is an amenable number.

3228528 is an abundant number, since it is smaller than the sum of its proper divisors (5111960).

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

3228528 is a wasteful number, since it uses less digits than its factorization.

3228528 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67272 (or 67266 counting only the distinct ones).

The product of its digits is 7680, while the sum is 30.

The square root of 3228528 is about 1796.8105075383. The cubic root of 3228528 is about 147.7978735786.

It can be divided in two parts, 3 and 228528, that multiplied together give a square (685584 = 828²).

The spelling of 3228528 in words is "three million, two hundred twenty-eight thousand, five hundred twenty-eight".