388109673 has 24 divisors (see below), whose sum is σ = 641221568. Its totient is φ = 221592672.

The previous prime is 388109663. The next prime is 388109693. The reversal of 388109673 is 376901883.

It is a happy number.

It is not a de Polignac number, because 388109673 - 2⁵ = 388109641 is a prime.

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (388109653) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 120186 + ... + 123372.

Almost surely, 2^388109673 is an apocalyptic number.

It is an amenable number.

388109673 is a deficient number, since it is larger than the sum of its proper divisors (253111895).

388109673 is a wasteful number, since it uses less digits than its factorization.

388109673 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5133 (or 5130 counting only the distinct ones).

The product of its (nonzero) digits is 217728, while the sum is 45.

The square root of 388109673 is about 19700.4993083932. The cubic root of 388109673 is about 729.4320176898.

The spelling of 388109673 in words is "three hundred eighty-eight million, one hundred nine thousand, six hundred seventy-three".