378404516 has 24 divisors (see below), whose sum is σ = 759291456. Its totient is φ = 161641440.

The previous prime is 378404503. The next prime is 378404527. The reversal of 378404516 is 615404873.

It is a self number, because there is not a number n which added to its sum of digits gives 378404516.

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, 13415 + ... + 30606.

It is an arithmetic number, because the mean of its divisors is an integer number (31637144).

Almost surely, 2^378404516 is an apocalyptic number.

It is an amenable number.

378404516 is an abundant number, since it is smaller than the sum of its proper divisors (380886940).

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

378404516 is a wasteful number, since it uses less digits than its factorization.

378404516 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44339 (or 44337 counting only the distinct ones).

The product of its (nonzero) digits is 80640, while the sum is 38.

The square root of 378404516 is about 19452.6223425018. The cubic root of 378404516 is about 723.3005082308.

The spelling of 378404516 in words is "three hundred seventy-eight million, four hundred four thousand, five hundred sixteen".