378305494 has 8 divisors (see below), whose sum is σ = 648523728. Its totient is φ = 162130920.

The previous prime is 378305489. The next prime is 378305513. The reversal of 378305494 is 494503873.

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 378305494.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 13510897 + ... + 13510924.

It is an arithmetic number, because the mean of its divisors is an integer number (81065466).

Almost surely, 2^378305494 is an apocalyptic number.

378305494 is a deficient number, since it is larger than the sum of its proper divisors (270218234).

378305494 is a wasteful number, since it uses less digits than its factorization.

378305494 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27021830.

The product of its (nonzero) digits is 362880, while the sum is 43.

The square root of 378305494 is about 19450.0769664287. The cubic root of 378305494 is about 723.2374109294.

The spelling of 378305494 in words is "three hundred seventy-eight million, three hundred five thousand, four hundred ninety-four".