3566985 has 16 divisors (see below), whose sum is σ = 5862336. Its totient is φ = 1850688.

The previous prime is 3566977. The next prime is 3566989. The reversal of 3566985 is 5896653.

It is not a de Polignac number, because 3566985 - 2³ = 3566977 is a prime.

3566985 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3566989) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2659 + ... + 3768.

It is an arithmetic number, because the mean of its divisors is an integer number (366396).

Almost surely, 2^3566985 is an apocalyptic number.

It is an amenable number.

3566985 is a deficient number, since it is larger than the sum of its proper divisors (2295351).

3566985 is a wasteful number, since it uses less digits than its factorization.

3566985 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6472.

The product of its digits is 194400, while the sum is 42.

The square root of 3566985 is about 1888.6463406366. The cubic root of 3566985 is about 152.7919338459.

The spelling of 3566985 in words is "three million, five hundred sixty-six thousand, nine hundred eighty-five".