378418466 has 8 divisors (see below), whose sum is σ = 567867564. Its totient is φ = 189129280.

The previous prime is 378418423. The next prime is 378418483. The reversal of 378418466 is 664814873.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 377175241 + 1243225 = 19421^2 + 1115^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 378418466.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 33875 + ... + 43638.

Almost surely, 2^378418466 is an apocalyptic number.

378418466 is a deficient number, since it is larger than the sum of its proper divisors (189449098).

378418466 is a wasteful number, since it uses less digits than its factorization.

378418466 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79956.

The product of its digits is 774144, while the sum is 47.

The square root of 378418466 is about 19452.9809026792. The cubic root of 378418466 is about 723.3093963542.

The spelling of 378418466 in words is "three hundred seventy-eight million, four hundred eighteen thousand, four hundred sixty-six".