3530661 has 8 divisors (see below), whose sum is σ = 4912320. Its totient is φ = 2251392.

The previous prime is 3530647. The next prime is 3530669. The reversal of 3530661 is 1660353.

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

It is not a de Polignac number, because 3530661 - 2⁵ = 3530629 is a prime.

3530661 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3530669) 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, 25516 + ... + 25653.

It is an arithmetic number, because the mean of its divisors is an integer number (614040).

Almost surely, 2^3530661 is an apocalyptic number.

It is an amenable number.

3530661 is a deficient number, since it is larger than the sum of its proper divisors (1381659).

3530661 is a wasteful number, since it uses less digits than its factorization.

3530661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51195.

The product of its (nonzero) digits is 1620, while the sum is 24.

The square root of 3530661 is about 1879.0053219722. The cubic root of 3530661 is about 152.2715166648.

The spelling of 3530661 in words is "three million, five hundred thirty thousand, six hundred sixty-one".