2190065 has 8 divisors (see below), whose sum is σ = 2643840. Its totient is φ = 1741552.

The previous prime is 2190047. The next prime is 2190077. The reversal of 2190065 is 5600912.

2190065 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2190065 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2190065.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 329 + ... + 2118.

It is an arithmetic number, because the mean of its divisors is an integer number (330480).

2^2190065 is an apocalyptic number.

It is an amenable number.

2190065 is a deficient number, since it is larger than the sum of its proper divisors (453775).

2190065 is a wasteful number, since it uses less digits than its factorization.

2190065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2631.

The product of its (nonzero) digits is 540, while the sum is 23.

The square root of 2190065 is about 1479.8868199967. The cubic root of 2190065 is about 129.8630708131.

Adding to 2190065 its reverse (5600912), we get a palindrome (7790977).

The spelling of 2190065 in words is "two million, one hundred ninety thousand, sixty-five".