389481 has 8 divisors (see below), whose sum is σ = 546720. Its totient is φ = 245952.

The previous prime is 389479. The next prime is 389483. The reversal of 389481 is 184983.

It is an interprime number because it is at equal distance from previous prime (389479) and next prime (389483).

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

It is not a de Polignac number, because 389481 - 2¹ = 389479 is a prime.

It is a super-2 number, since 2×389481² = 303390898722, which contains 22 as substring.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Curzon number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 389481.

It is not an unprimeable number, because it can be changed into a prime (389483) 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 7 ways as a sum of consecutive naturals, for example, 3360 + ... + 3473.

It is an arithmetic number, because the mean of its divisors is an integer number (68340).

2³⁸⁹⁴⁸¹ is an apocalyptic number.

It is an amenable number.

389481 is a deficient number, since it is larger than the sum of its proper divisors (157239).

389481 is a wasteful number, since it uses less digits than its factorization.

389481 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6855.

The product of its digits is 6912, while the sum is 33.

The square root of 389481 is about 624.0841289442. The cubic root of 389481 is about 73.0290120500.

The spelling of 389481 in words is "three hundred eighty-nine thousand, four hundred eighty-one".