388608634406 has 8 divisors (see below), whose sum is σ = 583689136224. Its totient is φ = 194045589000.

The previous prime is 388608634339. The next prime is 388608634433. The reversal of 388608634406 is 604436806883.

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

It is a Curzon number.

It is a congruent number.

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, 129362225 + ... + 129365228.

It is an arithmetic number, because the mean of its divisors is an integer number (72961142028).

Almost surely, 2^388608634406 is an apocalyptic number.

388608634406 is a deficient number, since it is larger than the sum of its proper divisors (195080501818).

388608634406 is a wasteful number, since it uses less digits than its factorization.

388608634406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 258728206.

The product of its (nonzero) digits is 15925248, while the sum is 56.

The spelling of 388608634406 in words is "three hundred eighty-eight billion, six hundred eight million, six hundred thirty-four thousand, four hundred six".