3567989 has 2 divisors, whose sum is σ = 3567990. Its totient is φ = 3567988.

The previous prime is 3567983. The next prime is 3568003. The reversal of 3567989 is 9897653.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2748964 + 819025 = 1658^2 + 905^2 .

It is an emirp because it is prime and its reverse (9897653) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 3567989 - 2⁴ = 3567973 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3567983) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1783994 + 1783995.

It is an arithmetic number, because the mean of its divisors is an integer number (1783995).

Almost surely, 2^3567989 is an apocalyptic number.

It is an amenable number.

3567989 is a deficient number, since it is larger than the sum of its proper divisors (1).

3567989 is an equidigital number, since it uses as much as digits as its factorization.

3567989 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 408240, while the sum is 47.

The square root of 3567989 is about 1888.9121207722. The cubic root of 3567989 is about 152.8062679601.

The spelling of 3567989 in words is "three million, five hundred sixty-seven thousand, nine hundred eighty-nine".