1394798441 has 2 divisors, whose sum is σ = 1394798442. Its totient is φ = 1394798440.

The previous prime is 1394798401. The next prime is 1394798443. The reversal of 1394798441 is 1448974931.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1383542416 + 11256025 = 37196^2 + 3355^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1394798441 is a prime.

Together with 1394798443, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1394798441.

It is not a weakly prime, because it can be changed into another prime (1394798443) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 697399220 + 697399221.

It is an arithmetic number, because the mean of its divisors is an integer number (697399221).

Almost surely, 2^1394798441 is an apocalyptic number.

It is an amenable number.

1394798441 is a deficient number, since it is larger than the sum of its proper divisors (1).

1394798441 is an equidigital number, since it uses as much as digits as its factorization.

1394798441 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 870912, while the sum is 50.

The square root of 1394798441 is about 37347.0004284146. Note that the first 3 decimals coincide. The cubic root of 1394798441 is about 1117.3017639880.

The spelling of 1394798441 in words is "one billion, three hundred ninety-four million, seven hundred ninety-eight thousand, four hundred forty-one".