1906963 has 2 divisors, whose sum is σ = 1906964. Its totient is φ = 1906962.

The previous prime is 1906909. The next prime is 1906969. The reversal of 1906963 is 3696091.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1906963 is a prime.

It is not a weakly prime, because it can be changed into another prime (1906969) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 953481 + 953482.

It is an arithmetic number, because the mean of its divisors is an integer number (953482).

2^1906963 is an apocalyptic number.

1906963 is a deficient number, since it is larger than the sum of its proper divisors (1).

1906963 is an equidigital number, since it uses as much as digits as its factorization.

1906963 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8748, while the sum is 34.

The square root of 1906963 is about 1380.9283109561. The cubic root of 1906963 is about 124.0073486800.

The spelling of 1906963 in words is "one million, nine hundred six thousand, nine hundred sixty-three".