378487904 has 24 divisors (see below), whose sum is σ = 784367640. Its totient is φ = 179283456.

The previous prime is 378487873. The next prime is 378487909. The reversal of 378487904 is 409784873.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (378487909) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 310649 + ... + 311864.

It is an arithmetic number, because the mean of its divisors is an integer number (32681985).

Almost surely, 2^378487904 is an apocalyptic number.

It is an amenable number.

378487904 is an abundant number, since it is smaller than the sum of its proper divisors (405879736).

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

378487904 is a wasteful number, since it uses less digits than its factorization.

378487904 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 622542 (or 622534 counting only the distinct ones).

The product of its (nonzero) digits is 1354752, while the sum is 50.

The square root of 378487904 is about 19454.7655858404. The cubic root of 378487904 is about 723.3536349337.

The spelling of 378487904 in words is "three hundred seventy-eight million, four hundred eighty-seven thousand, nine hundred four".