3528661 has 8 divisors (see below), whose sum is σ = 3735200. Its totient is φ = 3324240.

The previous prime is 3528659. The next prime is 3528743. The reversal of 3528661 is 1668253.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 3528661 - 2¹ = 3528659 is a prime.

It is a Duffinian number.

3528661 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3528631) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3946 + ... + 4756.

It is an arithmetic number, because the mean of its divisors is an integer number (466900).

Almost surely, 2^3528661 is an apocalyptic number.

It is an amenable number.

3528661 is a deficient number, since it is larger than the sum of its proper divisors (206539).

3528661 is a wasteful number, since it uses less digits than its factorization.

3528661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1059.

The product of its digits is 8640, while the sum is 31.

The square root of 3528661 is about 1878.4730501128. The cubic root of 3528661 is about 152.2427590133.

The spelling of 3528661 in words is "three million, five hundred twenty-eight thousand, six hundred sixty-one".