3528656 has 20 divisors (see below), whose sum is σ = 7239492. Its totient is φ = 1660416.

The previous prime is 3528649. The next prime is 3528659. The reversal of 3528656 is 6568253.

It can be written as a sum of positive squares in 2 ways, for example, as 1032256 + 2496400 = 1016^2 + 1580^2 .

It is a super-3 number, since 3×3528656³ (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 (3528659) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6215 + ... + 6758.

Almost surely, 2^3528656 is an apocalyptic number.

It is an amenable number.

3528656 is an abundant number, since it is smaller than the sum of its proper divisors (3710836).

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

3528656 is a wasteful number, since it uses less digits than its factorization.

3528656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12998 (or 12992 counting only the distinct ones).

The product of its digits is 43200, while the sum is 35.

The square root of 3528656 is about 1878.4717192441. The cubic root of 3528656 is about 152.2426871056.

The spelling of 3528656 in words is "three million, five hundred twenty-eight thousand, six hundred fifty-six".