388884814 has 8 divisors (see below), whose sum is σ = 583428168. Its totient is φ = 194408760.

The previous prime is 388884803. The next prime is 388884827. The reversal of 388884814 is 418488883.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

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 3 ways as a sum of consecutive naturals, for example, 1704 + ... + 27940.

It is an arithmetic number, because the mean of its divisors is an integer number (72928521).

Almost surely, 2^388884814 is an apocalyptic number.

388884814 is a deficient number, since it is larger than the sum of its proper divisors (194543354).

388884814 is a wasteful number, since it uses less digits than its factorization.

388884814 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33650.

The product of its digits is 1572864, while the sum is 52.

The square root of 388884814 is about 19720.1626261043. The cubic root of 388884814 is about 729.9173072028.

The spelling of 388884814 in words is "three hundred eighty-eight million, eight hundred eighty-four thousand, eight hundred fourteen".