378279441 has 12 divisors (see below), whose sum is σ = 551814900. Its totient is φ = 249688800.

The previous prime is 378279439. The next prime is 378279443. The reversal of 378279441 is 144972873.

378279441 is a `hidden beast` number, since 378 + 279 + 4 + 4 + 1 = 666.

It is an interprime number because it is at equal distance from previous prime (378279439) and next prime (378279443).

It can be written as a sum of positive squares in 2 ways, for example, as 323460225 + 54819216 = 17985^2 + 7404^2 .

It is not a de Polignac number, because 378279441 - 2¹ = 378279439 is a prime.

It is not an unprimeable number, because it can be changed into a prime (378279443) 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 in 11 ways as a sum of consecutive naturals, for example, 207166 + ... + 208983.

It is an arithmetic number, because the mean of its divisors is an integer number (45984575).

Almost surely, 2^378279441 is an apocalyptic number.

It is an amenable number.

378279441 is a deficient number, since it is larger than the sum of its proper divisors (173535459).

378279441 is a wasteful number, since it uses less digits than its factorization.

378279441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 416256 (or 416253 counting only the distinct ones).

The product of its digits is 338688, while the sum is 45.

The square root of 378279441 is about 19449.4072146171. The cubic root of 378279441 is about 723.2208080013.

The spelling of 378279441 in words is "three hundred seventy-eight million, two hundred seventy-nine thousand, four hundred forty-one".