388969883 has 4 divisors (see below), whose sum is σ = 389021160. Its totient is φ = 388918608.

The previous prime is 388969817. The next prime is 388969939.

388969883 is nontrivially palindromic in base 10.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 388969883 - 2¹⁰ = 388968859 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (388966883) 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, 11753 + ... + 30266.

It is an arithmetic number, because the mean of its divisors is an integer number (97255290).

Almost surely, 2^388969883 is an apocalyptic number.

388969883 is a deficient number, since it is larger than the sum of its proper divisors (51277).

388969883 is an equidigital number, since it uses as much as digits as its factorization.

388969883 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51276.

The product of its digits is 17915904, while the sum is 62.

The square root of 388969883 is about 19722.3194122801. The cubic root of 388969883 is about 729.9705267390.

The spelling of 388969883 in words is "three hundred eighty-eight million, nine hundred sixty-nine thousand, eight hundred eighty-three".