1428806 has 16 divisors (see below), whose sum is σ = 2268000. Its totient is φ = 673728.

The previous prime is 1428793. The next prime is 1428811. The reversal of 1428806 is 6088241.

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 in 7 ways as a sum of consecutive naturals, for example, 3920 + ... + 4268.

It is an arithmetic number, because the mean of its divisors is an integer number (141750).

2^1428806 is an apocalyptic number.

1428806 is a deficient number, since it is larger than the sum of its proper divisors (839194).

1428806 is a wasteful number, since it uses less digits than its factorization.

1428806 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 463.

The product of its (nonzero) digits is 3072, while the sum is 29.

The square root of 1428806 is about 1195.3267335754. The cubic root of 1428806 is about 112.6309520371.

The spelling of 1428806 in words is "one million, four hundred twenty-eight thousand, eight hundred six".