486478 has 4 divisors (see below), whose sum is σ = 729720. Its totient is φ = 243238.

The previous prime is 486449. The next prime is 486481. The reversal of 486478 is 874684.

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

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 121618 + ... + 121621.

It is an arithmetic number, because the mean of its divisors is an integer number (182430).

2⁴⁸⁶⁴⁷⁸ is an apocalyptic number.

486478 is a deficient number, since it is larger than the sum of its proper divisors (243242).

486478 is a wasteful number, since it uses less digits than its factorization.

486478 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 243241.

The product of its digits is 43008, while the sum is 37.

The square root of 486478 is about 697.4797488100. The cubic root of 486478 is about 78.6480093965.

The spelling of 486478 in words is "four hundred eighty-six thousand, four hundred seventy-eight".