378505604 has 24 divisors (see below), whose sum is σ = 680942808. Its totient is φ = 183983360.

The previous prime is 378505583. The next prime is 378505607. The reversal of 378505604 is 406505873.

It can be written as a sum of positive squares in 4 ways, for example, as 14077504 + 364428100 = 3752^2 + 19090^2 .

It is not an unprimeable number, because it can be changed into a prime (378505607) 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 in 7 ways as a sum of consecutive naturals, for example, 44114 + ... + 51990.

It is an arithmetic number, because the mean of its divisors is an integer number (28372617).

Almost surely, 2^378505604 is an apocalyptic number.

It is an amenable number.

378505604 is a deficient number, since it is larger than the sum of its proper divisors (302437204).

378505604 is a wasteful number, since it uses less digits than its factorization.

378505604 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8215 (or 8213 counting only the distinct ones).

The product of its (nonzero) digits is 100800, while the sum is 38.

The square root of 378505604 is about 19455.2204819169. The cubic root of 378505604 is about 723.3649106439.

The spelling of 378505604 in words is "three hundred seventy-eight million, five hundred five thousand, six hundred four".