2190763 has 2 divisors, whose sum is σ = 2190764. Its totient is φ = 2190762.

The previous prime is 2190751. The next prime is 2190809. The reversal of 2190763 is 3670912.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2190763 is a prime.

It is not a weakly prime, because it can be changed into another prime (2196763) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1095381 + 1095382.

It is an arithmetic number, because the mean of its divisors is an integer number (1095382).

2^2190763 is an apocalyptic number.

2190763 is a deficient number, since it is larger than the sum of its proper divisors (1).

2190763 is an equidigital number, since it uses as much as digits as its factorization.

2190763 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2268, while the sum is 28.

The square root of 2190763 is about 1480.1226300547. The cubic root of 2190763 is about 129.8768656541.

The spelling of 2190763 in words is "two million, one hundred ninety thousand, seven hundred sixty-three".