2190663 has 12 divisors (see below), whose sum is σ = 3177408. Its totient is φ = 1454400.

The previous prime is 2190653. The next prime is 2190679. The reversal of 2190663 is 3660912.

It is a happy number.

2190663 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 2190663 - 2⁴ = 2190647 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2190613) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 3306 + ... + 3912.

It is an arithmetic number, because the mean of its divisors is an integer number (264784).

2^2190663 is an apocalyptic number.

2190663 is a deficient number, since it is larger than the sum of its proper divisors (986745).

2190663 is a wasteful number, since it uses less digits than its factorization.

2190663 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1014 (or 1011 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 27.

The square root of 2190663 is about 1480.0888486844. The cubic root of 2190663 is about 129.8748894956.

The spelling of 2190663 in words is "two million, one hundred ninety thousand, six hundred sixty-three".