378671604 has 12 divisors (see below), whose sum is σ = 883567104. Its totient is φ = 126223864.

The previous prime is 378671561. The next prime is 378671633. The reversal of 378671604 is 406176873.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 15777972 + ... + 15777995.

It is an arithmetic number, because the mean of its divisors is an integer number (73630592).

Almost surely, 2^378671604 is an apocalyptic number.

It is an amenable number.

378671604 is an abundant number, since it is smaller than the sum of its proper divisors (504895500).

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

378671604 is a wasteful number, since it uses less digits than its factorization.

378671604 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31555974 (or 31555972 counting only the distinct ones).

The product of its (nonzero) digits is 169344, while the sum is 42.

The square root of 378671604 is about 19459.4862213780. The cubic root of 378671604 is about 723.4706431385.

The spelling of 378671604 in words is "three hundred seventy-eight million, six hundred seventy-one thousand, six hundred four".