486978 has 8 divisors (see below), whose sum is σ = 973968. Its totient is φ = 162324.

The previous prime is 486977. The next prime is 486991. The reversal of 486978 is 879684.

It is a happy number.

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

486978 is an admirable number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (486971) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 40576 + ... + 40587.

It is an arithmetic number, because the mean of its divisors is an integer number (121746).

2⁴⁸⁶⁹⁷⁸ is an apocalyptic number.

486978 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

486978 is a wasteful number, since it uses less digits than its factorization.

486978 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81168.

The product of its digits is 96768, while the sum is 42.

The square root of 486978 is about 697.8380901040. The cubic root of 486978 is about 78.6749448660.

The spelling of 486978 in words is "four hundred eighty-six thousand, nine hundred seventy-eight".