3565066 has 4 divisors (see below), whose sum is σ = 5347602. Its totient is φ = 1782532.

The previous prime is 3565049. The next prime is 3565097. The reversal of 3565066 is 6605653.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 2418025 + 1147041 = 1555^2 + 1071^2 .

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 891265 + ... + 891268.

Almost surely, 2^3565066 is an apocalyptic number.

3565066 is a deficient number, since it is larger than the sum of its proper divisors (1782536).

3565066 is a wasteful number, since it uses less digits than its factorization.

3565066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1782535.

The product of its (nonzero) digits is 16200, while the sum is 31.

The square root of 3565066 is about 1888.1382364647. The cubic root of 3565066 is about 152.7645287856.

The spelling of 3565066 in words is "three million, five hundred sixty-five thousand, sixty-six".