388888466 has 8 divisors (see below), whose sum is σ = 614034480. Its totient is φ = 184210308.

The previous prime is 388888457. The next prime is 388888477. The reversal of 388888466 is 664888883.

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5116916 + ... + 5116991.

It is an arithmetic number, because the mean of its divisors is an integer number (76754310).

Almost surely, 2^388888466 is an apocalyptic number.

388888466 is a deficient number, since it is larger than the sum of its proper divisors (225146014).

388888466 is a wasteful number, since it uses less digits than its factorization.

388888466 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10233928.

The product of its digits is 14155776, while the sum is 59.

The square root of 388888466 is about 19720.2552214722. The cubic root of 388888466 is about 729.9195920693.

The spelling of 388888466 in words is "three hundred eighty-eight million, eight hundred eighty-eight thousand, four hundred sixty-six".