1983763 has 2 divisors, whose sum is σ = 1983764. Its totient is φ = 1983762.

The previous prime is 1983749. The next prime is 1983767. The reversal of 1983763 is 3673891.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1983763 - 2⁵ = 1983731 is a prime.

It is not a weakly prime, because it can be changed into another prime (1983767) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 991881 + 991882.

It is an arithmetic number, because the mean of its divisors is an integer number (991882).

2^1983763 is an apocalyptic number.

1983763 is a deficient number, since it is larger than the sum of its proper divisors (1).

1983763 is an equidigital number, since it uses as much as digits as its factorization.

1983763 is an evil number, because the sum of its binary digits is even.

The product of its digits is 27216, while the sum is 37.

The square root of 1983763 is about 1408.4612170734. The cubic root of 1983763 is about 125.6502224877.

It can be divided in two parts, 19837 and 63, that added together give a triangular number (19900 = T₁₉₉).

The spelling of 1983763 in words is "one million, nine hundred eighty-three thousand, seven hundred sixty-three".