1284383 has 2 divisors, whose sum is σ = 1284384. Its totient is φ = 1284382.

The previous prime is 1284379. The next prime is 1284421. The reversal of 1284383 is 3834821.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1284383 - 2² = 1284379 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1284313) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 642191 + 642192.

It is an arithmetic number, because the mean of its divisors is an integer number (642192).

2^1284383 is an apocalyptic number.

1284383 is a deficient number, since it is larger than the sum of its proper divisors (1).

1284383 is an equidigital number, since it uses as much as digits as its factorization.

1284383 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4608, while the sum is 29.

The square root of 1284383 is about 1133.3062251660. The cubic root of 1284383 is about 108.7004936070.

The spelling of 1284383 in words is "one million, two hundred eighty-four thousand, three hundred eighty-three".