3528689 has 4 divisors (see below), whose sum is σ = 3581424. Its totient is φ = 3475956.

The previous prime is 3528659. The next prime is 3528743. The reversal of 3528689 is 9868253.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3528689 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3528649) 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, 26267 + ... + 26400.

It is an arithmetic number, because the mean of its divisors is an integer number (895356).

Almost surely, 2^3528689 is an apocalyptic number.

It is an amenable number.

3528689 is a deficient number, since it is larger than the sum of its proper divisors (52735).

3528689 is an equidigital number, since it uses as much as digits as its factorization.

3528689 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52734.

The product of its digits is 103680, while the sum is 41.

The square root of 3528689 is about 1878.4805029598. The cubic root of 3528689 is about 152.2431616954.

The spelling of 3528689 in words is "three million, five hundred twenty-eight thousand, six hundred eighty-nine".