378484784 has 10 divisors (see below), whose sum is σ = 733314300. Its totient is φ = 189242384.

The previous prime is 378484781. The next prime is 378484793. The reversal of 378484784 is 487484873.

It is not an unprimeable number, because it can be changed into a prime (378484781) by changing a digit.

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 as a sum of consecutive naturals, namely, 11827634 + ... + 11827665.

It is an arithmetic number, because the mean of its divisors is an integer number (73331430).

Almost surely, 2^378484784 is an apocalyptic number.

It is an amenable number.

378484784 is a deficient number, since it is larger than the sum of its proper divisors (354829516).

378484784 is a wasteful number, since it uses less digits than its factorization.

378484784 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23655307 (or 23655301 counting only the distinct ones).

The product of its digits is 4816896, while the sum is 53.

The square root of 378484784 is about 19454.6853996666. The cubic root of 378484784 is about 723.3516473144.

The spelling of 378484784 in words is "three hundred seventy-eight million, four hundred eighty-four thousand, seven hundred eighty-four".