389309224 has 32 divisors (see below), whose sum is σ = 787968000. Its totient is φ = 179768512.

The previous prime is 389309213. The next prime is 389309243. The reversal of 389309224 is 422903983.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31144 + ... + 41815.

It is an arithmetic number, because the mean of its divisors is an integer number (24624000).

Almost surely, 2^389309224 is an apocalyptic number.

It is an amenable number.

389309224 is an abundant number, since it is smaller than the sum of its proper divisors (398658776).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

389309224 is a wasteful number, since it uses less digits than its factorization.

389309224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73017 (or 73013 counting only the distinct ones).

The product of its (nonzero) digits is 93312, while the sum is 40.

The square root of 389309224 is about 19730.9205056429. The cubic root of 389309224 is about 730.1827427654.

The spelling of 389309224 in words is "three hundred eighty-nine million, three hundred nine thousand, two hundred twenty-four".