378690808 has 8 divisors (see below), whose sum is σ = 710045280. Its totient is φ = 189345400.

The previous prime is 378690799. The next prime is 378690821. The reversal of 378690808 is 808096873.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23668168 + ... + 23668183.

It is an arithmetic number, because the mean of its divisors is an integer number (88755660).

Almost surely, 2^378690808 is an apocalyptic number.

It is an amenable number.

378690808 is a deficient number, since it is larger than the sum of its proper divisors (331354472).

378690808 is a wasteful number, since it uses less digits than its factorization.

378690808 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47336357 (or 47336353 counting only the distinct ones).

The product of its (nonzero) digits is 580608, while the sum is 49.

The square root of 378690808 is about 19459.9796505546. The cubic root of 378690808 is about 723.4828729926.

The spelling of 378690808 in words is "three hundred seventy-eight million, six hundred ninety thousand, eight hundred eight".