388791164 has 6 divisors (see below), whose sum is σ = 680384544. Its totient is φ = 194395580.

The previous prime is 388791163. The next prime is 388791203. The reversal of 388791164 is 461197883.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (388791163) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 48598892 + ... + 48598899.

It is an arithmetic number, because the mean of its divisors is an integer number (113397424).

Almost surely, 2^388791164 is an apocalyptic number.

It is an amenable number.

388791164 is a deficient number, since it is larger than the sum of its proper divisors (291593380).

388791164 is a wasteful number, since it uses less digits than its factorization.

388791164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97197795 (or 97197793 counting only the distinct ones).

The product of its digits is 290304, while the sum is 47.

The square root of 388791164 is about 19717.7880098149. The cubic root of 388791164 is about 729.8587103799.

The spelling of 388791164 in words is "three hundred eighty-eight million, seven hundred ninety-one thousand, one hundred sixty-four".