486388405 has 4 divisors (see below), whose sum is σ = 583666092. Its totient is φ = 389110720.

The previous prime is 486388381. The next prime is 486388417. The reversal of 486388405 is 504883684.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 379431441 + 106956964 = 19479^2 + 10342^2 .

It is not a de Polignac number, because 486388405 - 2⁵ = 486388373 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 48638836 + ... + 48638845.

It is an arithmetic number, because the mean of its divisors is an integer number (145916523).

Almost surely, 2^486388405 is an apocalyptic number.

It is an amenable number.

486388405 is a deficient number, since it is larger than the sum of its proper divisors (97277687).

486388405 is an equidigital number, since it uses as much as digits as its factorization.

486388405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97277686.

The product of its (nonzero) digits is 737280, while the sum is 46.

The square root of 486388405 is about 22054.2151299927. The cubic root of 486388405 is about 786.4318088007.

The spelling of 486388405 in words is "four hundred eighty-six million, three hundred eighty-eight thousand, four hundred five".