378431874 has 24 divisors (see below), whose sum is σ = 837383040. Its totient is φ = 123459768.

The previous prime is 378431869. The next prime is 378431881. The reversal of 378431874 is 478134873.

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 11 ways as a sum of consecutive naturals, for example, 222814 + ... + 224505.

It is an arithmetic number, because the mean of its divisors is an integer number (34890960).

Almost surely, 2^378431874 is an apocalyptic number.

378431874 is an abundant number, since it is smaller than the sum of its proper divisors (458951166).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

378431874 is a wasteful number, since it uses less digits than its factorization.

378431874 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 447374 (or 447371 counting only the distinct ones).

The product of its digits is 451584, while the sum is 45.

The square root of 378431874 is about 19453.3255254725. The cubic root of 378431874 is about 723.3179389410.

The spelling of 378431874 in words is "three hundred seventy-eight million, four hundred thirty-one thousand, eight hundred seventy-four".