378518241 has 8 divisors (see below), whose sum is σ = 507480064. Its totient is φ = 250950960.

The previous prime is 378518227. The next prime is 378518299. The reversal of 378518241 is 142815873.

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

It is not a de Polignac number, because 378518241 - 2⁷ = 378518113 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 378518241.

It is not an unprimeable number, because it can be changed into a prime (378518201) 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 in 7 ways as a sum of consecutive naturals, for example, 348001 + ... + 349086.

It is an arithmetic number, because the mean of its divisors is an integer number (63435008).

Almost surely, 2^378518241 is an apocalyptic number.

It is an amenable number.

378518241 is a deficient number, since it is larger than the sum of its proper divisors (128961823).

378518241 is a wasteful number, since it uses less digits than its factorization.

378518241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 697271.

The product of its digits is 53760, while the sum is 39.

The square root of 378518241 is about 19455.5452506477. The cubic root of 378518241 is about 723.3729607762.

The spelling of 378518241 in words is "three hundred seventy-eight million, five hundred eighteen thousand, two hundred forty-one".