389281485 has 8 divisors (see below), whose sum is σ = 622850400. Its totient is φ = 207616784.

The previous prime is 389281483. The next prime is 389281489. The reversal of 389281485 is 584182983.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 389281485 - 2¹ = 389281483 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (389281483) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12976035 + ... + 12976064.

It is an arithmetic number, because the mean of its divisors is an integer number (77856300).

Almost surely, 2^389281485 is an apocalyptic number.

It is an amenable number.

389281485 is a deficient number, since it is larger than the sum of its proper divisors (233568915).

389281485 is a wasteful number, since it uses less digits than its factorization.

389281485 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25952107.

The product of its digits is 552960, while the sum is 48.

The square root of 389281485 is about 19730.2175608887. The cubic root of 389281485 is about 730.1654000646.

The spelling of 389281485 in words is "three hundred eighty-nine million, two hundred eighty-one thousand, four hundred eighty-five".