388084668 has 12 divisors (see below), whose sum is σ = 905530920. Its totient is φ = 129361552.

The previous prime is 388084667. The next prime is 388084679. The reversal of 388084668 is 866480883.

It is a tau number, because it is divible by the number of its divisors (12).

It is a self number, because there is not a number n which added to its sum of digits gives 388084668.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (388084661) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16170183 + ... + 16170206.

It is an arithmetic number, because the mean of its divisors is an integer number (75460910).

Almost surely, 2^388084668 is an apocalyptic number.

It is an amenable number.

388084668 is an abundant number, since it is smaller than the sum of its proper divisors (517446252).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

388084668 is a wasteful number, since it uses less digits than its factorization.

388084668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32340396 (or 32340394 counting only the distinct ones).

The product of its (nonzero) digits is 1769472, while the sum is 51.

The square root of 388084668 is about 19699.8646695859. The cubic root of 388084668 is about 729.4163521528.

The spelling of 388084668 in words is "three hundred eighty-eight million, eighty-four thousand, six hundred sixty-eight".