378544618 has 16 divisors (see below), whose sum is σ = 573027840. Its totient is φ = 187542000.

The previous prime is 378544597. The next prime is 378544637. The reversal of 378544618 is 816445873.

It is a happy number.

378544618 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 137863 + ... + 140581.

It is an arithmetic number, because the mean of its divisors is an integer number (35814240).

Almost surely, 2^378544618 is an apocalyptic number.

378544618 is a deficient number, since it is larger than the sum of its proper divisors (194483222).

378544618 is a wasteful number, since it uses less digits than its factorization.

378544618 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3333.

The product of its digits is 645120, while the sum is 46.

The square root of 378544618 is about 19456.2231175529. The cubic root of 378544618 is about 723.3897631064.

The spelling of 378544618 in words is "three hundred seventy-eight million, five hundred forty-four thousand, six hundred eighteen".