3528250 has 32 divisors (see below), whose sum is σ = 7210944. Its totient is φ = 1282000.

The previous prime is 3528241. The next prime is 3528251. The reversal of 3528250 is 528253.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (3528251) 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 15 ways as a sum of consecutive naturals, for example, 2109 + ... + 3391.

It is an arithmetic number, because the mean of its divisors is an integer number (225342).

Almost surely, 2^3528250 is an apocalyptic number.

3528250 is an abundant number, since it is smaller than the sum of its proper divisors (3682694).

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

3528250 is a wasteful number, since it uses less digits than its factorization.

3528250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1311 (or 1301 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 25.

The square root of 3528250 is about 1878.3636495631. The cubic root of 3528250 is about 152.2368479700.

The spelling of 3528250 in words is "three million, five hundred twenty-eight thousand, two hundred fifty".