486405 has 20 divisors (see below), whose sum is σ = 872652. Its totient is φ = 259200.

The previous prime is 486397. The next prime is 486407. The reversal of 486405 is 504684.

It can be written as a sum of positive squares in 2 ways, for example, as 54756 + 431649 = 234^2 + 657^2 .

It is not a de Polignac number, because 486405 - 2³ = 486397 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (486407) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 196 + ... + 1005.

2⁴⁸⁶⁴⁰⁵ is an apocalyptic number.

486405 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

486405 is a deficient number, since it is larger than the sum of its proper divisors (386247).

486405 is a wasteful number, since it uses less digits than its factorization.

486405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1218 (or 1209 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 27.

The square root of 486405 is about 697.4274155781. The cubic root of 486405 is about 78.6440752742.

The spelling of 486405 in words is "four hundred eighty-six thousand, four hundred five".