378707941 has 2 divisors, whose sum is σ = 378707942. Its totient is φ = 378707940.

The previous prime is 378707921. The next prime is 378707969. The reversal of 378707941 is 149707873.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 242892225 + 135815716 = 15585^2 + 11654^2 .

It is a cyclic number.

It is not a de Polignac number, because 378707941 - 2²³ = 370319333 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 378707891 and 378707900.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (378707911) 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, 189353970 + 189353971.

It is an arithmetic number, because the mean of its divisors is an integer number (189353971).

Almost surely, 2^378707941 is an apocalyptic number.

It is an amenable number.

378707941 is a deficient number, since it is larger than the sum of its proper divisors (1).

378707941 is an equidigital number, since it uses as much as digits as its factorization.

378707941 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 296352, while the sum is 46.

The square root of 378707941 is about 19460.4198567246. The cubic root of 378707941 is about 723.4937836043.

The spelling of 378707941 in words is "three hundred seventy-eight million, seven hundred seven thousand, nine hundred forty-one".