378431198 has 16 divisors (see below), whose sum is σ = 587268096. Its totient is φ = 182702520.

The previous prime is 378431149. The next prime is 378431219. The reversal of 378431198 is 891134873.

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 7 ways as a sum of consecutive naturals, for example, 22115 + ... + 35297.

It is an arithmetic number, because the mean of its divisors is an integer number (36704256).

Almost surely, 2^378431198 is an apocalyptic number.

378431198 is a deficient number, since it is larger than the sum of its proper divisors (208836898).

378431198 is a wasteful number, since it uses less digits than its factorization.

378431198 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13679.

The product of its digits is 145152, while the sum is 44.

The square root of 378431198 is about 19453.3081505434. The cubic root of 378431198 is about 723.3175082486.

The spelling of 378431198 in words is "three hundred seventy-eight million, four hundred thirty-one thousand, one hundred ninety-eight".