389305441 has 12 divisors (see below), whose sum is σ = 458326512. Its totient is φ = 329666568.

The previous prime is 389305439. The next prime is 389305447. The reversal of 389305441 is 144503983.

It is not a de Polignac number, because 389305441 - 2¹ = 389305439 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 389305441.

It is not an unprimeable number, because it can be changed into a prime (389305447) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 43795 + ... + 51928.

It is an arithmetic number, because the mean of its divisors is an integer number (38193876).

Almost surely, 2^389305441 is an apocalyptic number.

It is an amenable number.

389305441 is a deficient number, since it is larger than the sum of its proper divisors (69021071).

389305441 is an equidigital number, since it uses as much as digits as its factorization.

389305441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 95820 (or 95813 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 37.

The square root of 389305441 is about 19730.8246406479. The cubic root of 389305441 is about 730.1803776444.

The spelling of 389305441 in words is "three hundred eighty-nine million, three hundred five thousand, four hundred forty-one".