378904654 has 16 divisors (see below), whose sum is σ = 573338880. Its totient is φ = 187799040.

The previous prime is 378904651. The next prime is 378904663. The reversal of 378904654 is 456409873.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (378904651) 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, 117982 + ... + 121150.

It is an arithmetic number, because the mean of its divisors is an integer number (35833680).

Almost surely, 2^378904654 is an apocalyptic number.

378904654 is a deficient number, since it is larger than the sum of its proper divisors (194434226).

378904654 is a wasteful number, since it uses less digits than its factorization.

378904654 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3675.

The product of its (nonzero) digits is 725760, while the sum is 46.

The square root of 378904654 is about 19465.4733823763. The cubic root of 378904654 is about 723.6190305140.

The spelling of 378904654 in words is "three hundred seventy-eight million, nine hundred four thousand, six hundred fifty-four".