3560661 has 18 divisors (see below), whose sum is σ = 5571618. Its totient is φ = 2190240.

The previous prime is 3560659. The next prime is 3560671. The reversal of 3560661 is 1660653.

It can be written as a sum of positive squares in 3 ways, for example, as 22500 + 3538161 = 150^2 + 1881^2 .

It is not a de Polignac number, because 3560661 - 2¹ = 3560659 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3560611) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 351 + ... + 2691.

Almost surely, 2^3560661 is an apocalyptic number.

It is an amenable number.

3560661 is a deficient number, since it is larger than the sum of its proper divisors (2010957).

3560661 is a wasteful number, since it uses less digits than its factorization.

3560661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2373 (or 2357 counting only the distinct ones).

The product of its (nonzero) digits is 3240, while the sum is 27.

The square root of 3560661 is about 1886.9713829309. The cubic root of 3560661 is about 152.7015841728.

The spelling of 3560661 in words is "three million, five hundred sixty thousand, six hundred sixty-one".