388288883 has 4 divisors (see below), whose sum is σ = 408725160. Its totient is φ = 367852608.

The previous prime is 388288877. The next prime is 388288889. The reversal of 388288883 is 388882883.

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

It is an interprime number because it is at equal distance from previous prime (388288877) and next prime (388288889).

It is a cyclic number.

It is not a de Polignac number, because 388288883 - 2⁴ = 388288867 is a prime.

It is a super-2 number, since 2×388288883² = 301536513322775378, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (388288889) 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, 10218110 + ... + 10218147.

It is an arithmetic number, because the mean of its divisors is an integer number (102181290).

Almost surely, 2^388288883 is an apocalyptic number.

388288883 is a deficient number, since it is larger than the sum of its proper divisors (20436277).

388288883 is a wasteful number, since it uses less digits than its factorization.

388288883 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20436276.

The product of its digits is 4718592, while the sum is 56.

The square root of 388288883 is about 19705.0471453382. The cubic root of 388288883 is about 729.5442723830.

The spelling of 388288883 in words is "three hundred eighty-eight million, two hundred eighty-eight thousand, eight hundred eighty-three".