1428486 has 8 divisors (see below), whose sum is σ = 2856984. Its totient is φ = 476160.

The previous prime is 1428473. The next prime is 1428491. The reversal of 1428486 is 6848241.

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

1428486 is an admirable number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 119035 + ... + 119046.

It is an arithmetic number, because the mean of its divisors is an integer number (357123).

2^1428486 is an apocalyptic number.

1428486 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.

1428486 is a wasteful number, since it uses less digits than its factorization.

1428486 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 238086.

The product of its digits is 12288, while the sum is 33.

The square root of 1428486 is about 1195.1928714647. The cubic root of 1428486 is about 112.6225430122.

The spelling of 1428486 in words is "one million, four hundred twenty-eight thousand, four hundred eighty-six".