1398027941 has 2 divisors, whose sum is σ = 1398027942. Its totient is φ = 1398027940.

The previous prime is 1398027937. The next prime is 1398027947. The reversal of 1398027941 is 1497208931.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1307111716 + 90916225 = 36154^2 + 9535^2 .

It is a cyclic number.

It is not a de Polignac number, because 1398027941 - 2² = 1398027937 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1398027892 and 1398027901.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1398027947) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 699013970 + 699013971.

It is an arithmetic number, because the mean of its divisors is an integer number (699013971).

Almost surely, 2^1398027941 is an apocalyptic number.

It is an amenable number.

1398027941 is a deficient number, since it is larger than the sum of its proper divisors (1).

1398027941 is an equidigital number, since it uses as much as digits as its factorization.

1398027941 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 108864, while the sum is 44.

The square root of 1398027941 is about 37390.2118341151. The cubic root of 1398027941 is about 1118.1634284469.

The spelling of 1398027941 in words is "one billion, three hundred ninety-eight million, twenty-seven thousand, nine hundred forty-one".