388830969 has 32 divisors (see below), whose sum is σ = 586073600. Its totient is φ = 254741760.

The previous prime is 388830941. The next prime is 388830973. The reversal of 388830969 is 969038883.

It is not a de Polignac number, because 388830969 - 2⁹ = 388830457 is a prime.

It is a super-2 number, since 2×388830969² = 302379044906957922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (388830929) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 897777 + ... + 898209.

It is an arithmetic number, because the mean of its divisors is an integer number (18314800).

Almost surely, 2^388830969 is an apocalyptic number.

It is an amenable number.

388830969 is a deficient number, since it is larger than the sum of its proper divisors (197242631).

388830969 is a wasteful number, since it uses less digits than its factorization.

388830969 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 942 (or 936 counting only the distinct ones).

The product of its (nonzero) digits is 2239488, while the sum is 54.

The square root of 388830969 is about 19718.7973517656. The cubic root of 388830969 is about 729.8836175257.

The spelling of 388830969 in words is "three hundred eighty-eight million, eight hundred thirty thousand, nine hundred sixty-nine".