378553404 has 24 divisors (see below), whose sum is σ = 885846528. Its totient is φ = 125819440.

The previous prime is 378553391. The next prime is 378553421. The reversal of 378553404 is 404355873.

It is a hoax number, since the sum of its digits (39) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 41292 + ... + 49619.

It is an arithmetic number, because the mean of its divisors is an integer number (36910272).

Almost surely, 2^378553404 is an apocalyptic number.

It is an amenable number.

378553404 is an abundant number, since it is smaller than the sum of its proper divisors (507293124).

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

378553404 is a wasteful number, since it uses less digits than its factorization.

378553404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91265 (or 91263 counting only the distinct ones).

The product of its (nonzero) digits is 201600, while the sum is 39.

The square root of 378553404 is about 19456.4489051831. The cubic root of 378553404 is about 723.3953596755.

The spelling of 378553404 in words is "three hundred seventy-eight million, five hundred fifty-three thousand, four hundred four".