389343884 has 6 divisors (see below), whose sum is σ = 681351804. Its totient is φ = 194671940.

The previous prime is 389343881. The next prime is 389343917. The reversal of 389343884 is 488343983.

It is not an unprimeable number, because it can be changed into a prime (389343881) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 48667982 + ... + 48667989.

It is an arithmetic number, because the mean of its divisors is an integer number (113558634).

Almost surely, 2^389343884 is an apocalyptic number.

It is an amenable number.

389343884 is a deficient number, since it is larger than the sum of its proper divisors (292007920).

389343884 is a wasteful number, since it uses less digits than its factorization.

389343884 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97335975 (or 97335973 counting only the distinct ones).

The product of its digits is 1990656, while the sum is 50.

The square root of 389343884 is about 19731.7988029475. The cubic root of 389343884 is about 730.2044113870.

Subtracting 389343884 from its reverse (488343983), we obtain a palindrome (99000099).

The spelling of 389343884 in words is "three hundred eighty-nine million, three hundred forty-three thousand, eight hundred eighty-four".