1918283 has 2 divisors, whose sum is σ = 1918284. Its totient is φ = 1918282.

The previous prime is 1918247. The next prime is 1918303. The reversal of 1918283 is 3828191.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1918283 - 2⁶ = 1918219 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (1918243) 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 as a sum of consecutive naturals, namely, 959141 + 959142.

It is an arithmetic number, because the mean of its divisors is an integer number (959142).

2^1918283 is an apocalyptic number.

1918283 is a deficient number, since it is larger than the sum of its proper divisors (1).

1918283 is an equidigital number, since it uses as much as digits as its factorization.

1918283 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3456, while the sum is 32.

The square root of 1918283 is about 1385.0209384699. The cubic root of 1918283 is about 124.2522397566.

The spelling of 1918283 in words is "one million, nine hundred eighteen thousand, two hundred eighty-three".