378048929 has 2 divisors, whose sum is σ = 378048930. Its totient is φ = 378048928.

The previous prime is 378048919. The next prime is 378048961. The reversal of 378048929 is 929840873.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 376942225 + 1106704 = 19415^2 + 1052^2 .

It is a cyclic number.

It is not a de Polignac number, because 378048929 - 2¹⁶ = 377983393 is a prime.

It is not a weakly prime, because it can be changed into another prime (378048919) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 189024464 + 189024465.

It is an arithmetic number, because the mean of its divisors is an integer number (189024465).

Almost surely, 2^378048929 is an apocalyptic number.

It is an amenable number.

378048929 is a deficient number, since it is larger than the sum of its proper divisors (1).

378048929 is an equidigital number, since it uses as much as digits as its factorization.

378048929 is an odious number, because the sum of its binary digits is odd.

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

The square root of 378048929 is about 19443.4803726082. The cubic root of 378048929 is about 723.0738752216.

The spelling of 378048929 in words is "three hundred seventy-eight million, forty-eight thousand, nine hundred twenty-nine".