481389 has 8 divisors (see below), whose sum is σ = 679680. Its totient is φ = 302016.

The previous prime is 481387. The next prime is 481409. The reversal of 481389 is 983184.

481389 is nontrivially palindromic in base 15.

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

It is not a de Polignac number, because 481389 - 2¹ = 481387 is a prime.

It is an Ulam number.

481389 is an undulating number in base 15.

It is a Curzon number.

481389 is a lucky number.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 481389.

It is not an unprimeable number, because it can be changed into a prime (481387) 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, 4669 + ... + 4770.

It is an arithmetic number, because the mean of its divisors is an integer number (84960).

2⁴⁸¹³⁸⁹ is an apocalyptic number.

It is an amenable number.

481389 is a deficient number, since it is larger than the sum of its proper divisors (198291).

481389 is a wasteful number, since it uses less digits than its factorization.

481389 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9459.

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

The square root of 481389 is about 693.8220232884. The cubic root of 481389 is about 78.3728044123.

The spelling of 481389 in words is "four hundred eighty-one thousand, three hundred eighty-nine".