3567665 has 4 divisors (see below), whose sum is σ = 4281204. Its totient is φ = 2854128.

The previous prime is 3567661. The next prime is 3567673. The reversal of 3567665 is 5667653.

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

It can be written as a sum of positive squares in 2 ways, for example, as 1739761 + 1827904 = 1319^2 + 1352^2 .

It is a cyclic number.

It is not a de Polignac number, because 3567665 - 2² = 3567661 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3567661) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 356762 + ... + 356771.

It is an arithmetic number, because the mean of its divisors is an integer number (1070301).

Almost surely, 2^3567665 is an apocalyptic number.

It is an amenable number.

3567665 is a deficient number, since it is larger than the sum of its proper divisors (713539).

3567665 is an equidigital number, since it uses as much as digits as its factorization.

3567665 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 713538.

The product of its digits is 113400, while the sum is 38.

The square root of 3567665 is about 1888.8263551740. The cubic root of 3567665 is about 152.8016425040.

The spelling of 3567665 in words is "three million, five hundred sixty-seven thousand, six hundred sixty-five".