3567985 has 4 divisors (see below), whose sum is σ = 4281588. Its totient is φ = 2854384.

The previous prime is 3567983. The next prime is 3567989. The reversal of 3567985 is 5897653.

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 633616 + 2934369 = 796^2 + 1713^2 .

It is a cyclic number.

It is not a de Polignac number, because 3567985 - 2¹ = 3567983 is a prime.

It is a Duffinian number.

3567985 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (3567983) 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, 356794 + ... + 356803.

It is an arithmetic number, because the mean of its divisors is an integer number (1070397).

Almost surely, 2^3567985 is an apocalyptic number.

It is an amenable number.

3567985 is a deficient number, since it is larger than the sum of its proper divisors (713603).

3567985 is an equidigital number, since it uses as much as digits as its factorization.

3567985 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 713602.

The product of its digits is 226800, while the sum is 43.

The square root of 3567985 is about 1888.9110619614. The cubic root of 3567985 is about 152.8062108574.

The spelling of 3567985 in words is "three million, five hundred sixty-seven thousand, nine hundred eighty-five".