3528650 has 12 divisors (see below), whose sum is σ = 6563382. Its totient is φ = 1411440.

The previous prime is 3528649. The next prime is 3528659. The reversal of 3528650 is 568253.

It can be written as a sum of positive squares in 3 ways, for example, as 2105401 + 1423249 = 1451^2 + 1193^2 .

It is a hoax number, since the sum of its digits (29) coincides with the sum of the digits of its distinct prime factors.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (3528659) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 35237 + ... + 35336.

Almost surely, 2^3528650 is an apocalyptic number.

3528650 is a deficient number, since it is larger than the sum of its proper divisors (3034732).

3528650 is a wasteful number, since it uses less digits than its factorization.

3528650 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70585 (or 70580 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 29.

The square root of 3528650 is about 1878.4701222005. The cubic root of 3528650 is about 152.2426008162.

The spelling of 3528650 in words is "three million, five hundred twenty-eight thousand, six hundred fifty".