486909 has 6 divisors (see below), whose sum is σ = 703326. Its totient is φ = 324600.

The previous prime is 486907. The next prime is 486923. The reversal of 486909 is 909684.

It can be written as a sum of positive squares in only one way, i.e., 459684 + 27225 = 678^2 + 165^2 .

It is not a de Polignac number, because 486909 - 2¹ = 486907 is a prime.

486909 is a lucky number.

It is a nialpdrome in base 14.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (486907) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 27042 + ... + 27059.

It is an arithmetic number, because the mean of its divisors is an integer number (117221).

2⁴⁸⁶⁹⁰⁹ is an apocalyptic number.

It is an amenable number.

486909 is a deficient number, since it is larger than the sum of its proper divisors (216417).

486909 is a wasteful number, since it uses less digits than its factorization.

486909 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54107 (or 54104 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 36.

The square root of 486909 is about 697.7886499507. The cubic root of 486909 is about 78.6712288682.

The spelling of 486909 in words is "four hundred eighty-six thousand, nine hundred nine".