389351448 has 80 divisors (see below), whose sum is σ = 1128204000. Its totient is φ = 125302464.

The previous prime is 389351447. The next prime is 389351449. The reversal of 389351448 is 844153983.

389351448 is a `hidden beast` number, since 3 + 8 + 93 + 514 + 48 = 666.

It is an interprime number because it is at equal distance from previous prime (389351447) and next prime (389351449).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (389351447) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 8433 + ... + 29151.

It is an arithmetic number, because the mean of its divisors is an integer number (14102550).

Almost surely, 2^389351448 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 389351448, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (564102000).

389351448 is an abundant number, since it is smaller than the sum of its proper divisors (738852552).

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

389351448 is a wasteful number, since it uses less digits than its factorization.

389351448 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20766 (or 20753 counting only the distinct ones).

The product of its digits is 414720, while the sum is 45.

The square root of 389351448 is about 19731.9904723269. The cubic root of 389351448 is about 730.2091400521.

The spelling of 389351448 in words is "three hundred eighty-nine million, three hundred fifty-one thousand, four hundred forty-eight".