2190959 has 2 divisors, whose sum is σ = 2190960. Its totient is φ = 2190958.

The previous prime is 2190901. The next prime is 2190971. The reversal of 2190959 is 9590912.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2190959 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2193959) 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, 1095479 + 1095480.

It is an arithmetic number, because the mean of its divisors is an integer number (1095480).

2^2190959 is an apocalyptic number.

2190959 is a deficient number, since it is larger than the sum of its proper divisors (1).

2190959 is an equidigital number, since it uses as much as digits as its factorization.

2190959 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7290, while the sum is 35.

The square root of 2190959 is about 1480.1888393040. The cubic root of 2190959 is about 129.8807387501.

The spelling of 2190959 in words is "two million, one hundred ninety thousand, nine hundred fifty-nine".