3565726 has 4 divisors (see below), whose sum is σ = 5348592. Its totient is φ = 1782862.

The previous prime is 3565721. The next prime is 3565739. The reversal of 3565726 is 6275653.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 6275653 = 59 ⋅106367.

It is a plaindrome in base 16.

It is a junction number, because it is equal to n+sod(n) for n = 3565691 and 3565700.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3565721) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 891430 + ... + 891433.

It is an arithmetic number, because the mean of its divisors is an integer number (1337148).

Almost surely, 2^3565726 is an apocalyptic number.

3565726 is a deficient number, since it is larger than the sum of its proper divisors (1782866).

3565726 is a wasteful number, since it uses less digits than its factorization.

3565726 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1782865.

The product of its digits is 37800, while the sum is 34.

The square root of 3565726 is about 1888.3130037152. The cubic root of 3565726 is about 152.7739552934.

The spelling of 3565726 in words is "three million, five hundred sixty-five thousand, seven hundred twenty-six".