1442863 has 2 divisors, whose sum is σ = 1442864. Its totient is φ = 1442862.

The previous prime is 1442849. The next prime is 1442869. The reversal of 1442863 is 3682441.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1442863 - 2⁹ = 1442351 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1442869) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 721431 + 721432.

It is an arithmetic number, because the mean of its divisors is an integer number (721432).

2^1442863 is an apocalyptic number.

1442863 is a deficient number, since it is larger than the sum of its proper divisors (1).

1442863 is an equidigital number, since it uses as much as digits as its factorization.

1442863 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4608, while the sum is 28.

The square root of 1442863 is about 1201.1923243178. The cubic root of 1442863 is about 112.9991124268. Note that the first 3 decimals are identical.

The spelling of 1442863 in words is "one million, four hundred forty-two thousand, eight hundred sixty-three".