378975806 has 16 divisors (see below), whose sum is σ = 640147968. Its totient is φ = 166704600.

The previous prime is 378975797. The next prime is 378975823. The reversal of 378975806 is 608579873.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 277160 + ... + 278523.

It is an arithmetic number, because the mean of its divisors is an integer number (40009248).

Almost surely, 2^378975806 is an apocalyptic number.

378975806 is a deficient number, since it is larger than the sum of its proper divisors (261172162).

378975806 is a wasteful number, since it uses less digits than its factorization.

378975806 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 555727.

The product of its (nonzero) digits is 2540160, while the sum is 53.

The square root of 378975806 is about 19467.3009428631. The cubic root of 378975806 is about 723.6643222237.

The spelling of 378975806 in words is "three hundred seventy-eight million, nine hundred seventy-five thousand, eight hundred six".