3213528 has 32 divisors (see below), whose sum is σ = 8080560. Its totient is φ = 1064960.

The previous prime is 3213499. The next prime is 3213559. The reversal of 3213528 is 8253123.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a junction number, because it is equal to n+sod(n) for n = 3213498 and 3213507.

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, 5908 + ... + 6428.

Almost surely, 2^3213528 is an apocalyptic number.

It is an amenable number.

3213528 is an abundant number, since it is smaller than the sum of its proper divisors (4867032).

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

3213528 is a wasteful number, since it uses less digits than its factorization.

3213528 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 787 (or 783 counting only the distinct ones).

The product of its digits is 1440, while the sum is 24.

The square root of 3213528 is about 1792.6315851284. The cubic root of 3213528 is about 147.5686245837.

It can be divided in two parts, 3213 and 528, that added together give a triangular number (3741 = T₈₆).

The spelling of 3213528 in words is "three million, two hundred thirteen thousand, five hundred twenty-eight".