388845973 has 8 divisors (see below), whose sum is σ = 392071680. Its totient is φ = 385631280.

The previous prime is 388845943. The next prime is 388845991. The reversal of 388845973 is 379548883.

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

It is a cyclic number.

It is not a de Polignac number, because 388845973 - 2⁹ = 388845461 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (388845923) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 77563 + ... + 82423.

It is an arithmetic number, because the mean of its divisors is an integer number (49008960).

Almost surely, 2^388845973 is an apocalyptic number.

It is an amenable number.

388845973 is a deficient number, since it is larger than the sum of its proper divisors (3225707).

388845973 is a wasteful number, since it uses less digits than its factorization.

388845973 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5507.

The product of its digits is 5806080, while the sum is 55.

The square root of 388845973 is about 19719.1777972612. The cubic root of 388845973 is about 729.8930055236.

The spelling of 388845973 in words is "three hundred eighty-eight million, eight hundred forty-five thousand, nine hundred seventy-three".