1442393 has 2 divisors, whose sum is σ = 1442394. Its totient is φ = 1442392.

The previous prime is 1442377. The next prime is 1442411. The reversal of 1442393 is 3932441.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 984064 + 458329 = 992^2 + 677^2 .

It is a cyclic number.

It is not a de Polignac number, because 1442393 - 2⁴ = 1442377 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (1442333) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 721196 + 721197.

It is an arithmetic number, because the mean of its divisors is an integer number (721197).

2^1442393 is an apocalyptic number.

It is an amenable number.

1442393 is a deficient number, since it is larger than the sum of its proper divisors (1).

1442393 is an equidigital number, since it uses as much as digits as its factorization.

1442393 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2592, while the sum is 26.

The square root of 1442393 is about 1200.9966694375. The cubic root of 1442393 is about 112.9868416035.

The spelling of 1442393 in words is "one million, four hundred forty-two thousand, three hundred ninety-three".