378068941 has 2 divisors, whose sum is σ = 378068942. Its totient is φ = 378068940.

The previous prime is 378068891. The next prime is 378068947. The reversal of 378068941 is 149860873.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 203062500 + 175006441 = 14250^2 + 13229^2 .

It is an emirp because it is prime and its reverse (149860873) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 378068941 - 2⁹ = 378068429 is a prime.

It is a super-2 number, since 2×378068941² = 285872248297722962, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 378068891 and 378068900.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (378068947) 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, 189034470 + 189034471.

It is an arithmetic number, because the mean of its divisors is an integer number (189034471).

Almost surely, 2^378068941 is an apocalyptic number.

It is an amenable number.

378068941 is a deficient number, since it is larger than the sum of its proper divisors (1).

378068941 is an equidigital number, since it uses as much as digits as its factorization.

378068941 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 290304, while the sum is 46.

The square root of 378068941 is about 19443.9949855990. The cubic root of 378068941 is about 723.0866336222.

The spelling of 378068941 in words is "three hundred seventy-eight million, sixty-eight thousand, nine hundred forty-one".