378539716 has 12 divisors (see below), whose sum is σ = 678601980. Its totient is φ = 184653440.

The previous prime is 378539701. The next prime is 378539741. The reversal of 378539716 is 617935873.

It can be written as a sum of positive squares in 2 ways, for example, as 79388100 + 299151616 = 8910^2 + 17296^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 378539716.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1153921 + ... + 1154248.

It is an arithmetic number, because the mean of its divisors is an integer number (56550165).

Almost surely, 2^378539716 is an apocalyptic number.

It is an amenable number.

378539716 is a deficient number, since it is larger than the sum of its proper divisors (300062264).

378539716 is a wasteful number, since it uses less digits than its factorization.

378539716 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2308214 (or 2308212 counting only the distinct ones).

The product of its digits is 952560, while the sum is 49.

The square root of 378539716 is about 19456.0971420272. The cubic root of 378539716 is about 723.3866405578.

The spelling of 378539716 in words is "three hundred seventy-eight million, five hundred thirty-nine thousand, seven hundred sixteen".