378339565 has 8 divisors (see below), whose sum is σ = 461702880. Its totient is φ = 297541392.

The previous prime is 378339557. The next prime is 378339569. The reversal of 378339565 is 565933873.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 378339565 - 2³ = 378339557 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (378339569) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 640959 + ... + 641548.

It is an arithmetic number, because the mean of its divisors is an integer number (57712860).

Almost surely, 2^378339565 is an apocalyptic number.

It is an amenable number.

378339565 is a deficient number, since it is larger than the sum of its proper divisors (83363315).

378339565 is a wasteful number, since it uses less digits than its factorization.

378339565 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1282571.

The product of its digits is 2041200, while the sum is 49.

The square root of 378339565 is about 19450.9528044258. The cubic root of 378339565 is about 723.2591223791.

The spelling of 378339565 in words is "three hundred seventy-eight million, three hundred thirty-nine thousand, five hundred sixty-five".