1284433 has 2 divisors, whose sum is σ = 1284434. Its totient is φ = 1284432.

The previous prime is 1284427. The next prime is 1284443. The reversal of 1284433 is 3344821.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 859329 + 425104 = 927^2 + 652^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1284433 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1284398 and 1284407.

It is not a weakly prime, because it can be changed into another prime (1284443) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 642216 + 642217.

It is an arithmetic number, because the mean of its divisors is an integer number (642217).

2^1284433 is an apocalyptic number.

It is an amenable number.

1284433 is a deficient number, since it is larger than the sum of its proper divisors (1).

1284433 is an equidigital number, since it uses as much as digits as its factorization.

1284433 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2304, while the sum is 25.

The square root of 1284433 is about 1133.3282843025. The cubic root of 1284433 is about 108.7019041297.

The spelling of 1284433 in words is "one million, two hundred eighty-four thousand, four hundred thirty-three".