388989883 has 8 divisors (see below), whose sum is σ = 392332608. Its totient is φ = 385659144.

The previous prime is 388989859. The next prime is 388989899.

388989883 is nontrivially palindromic in base 10.

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 388989883 - 2⁵ = 388989851 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (388989583) 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, 69516 + ... + 74902.

It is an arithmetic number, because the mean of its divisors is an integer number (49041576).

Almost surely, 2^388989883 is an apocalyptic number.

388989883 is a deficient number, since it is larger than the sum of its proper divisors (3342725).

388989883 is a wasteful number, since it uses less digits than its factorization.

388989883 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5993.

The product of its digits is 23887872, while the sum is 64.

The square root of 388989883 is about 19722.8264455174. The cubic root of 388989883 is about 729.9830376993.

The spelling of 388989883 in words is "three hundred eighty-eight million, nine hundred eighty-nine thousand, eight hundred eighty-three".