1428046 has 12 divisors (see below), whose sum is σ = 2216376. Its totient is φ = 690060.

The previous prime is 1428041. The next prime is 1428079. The reversal of 1428046 is 6408241.

It is a self number, because there is not a number n which added to its sum of digits gives 1428046.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1428041) by changing a digit.

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 5 ways as a sum of consecutive naturals, for example, 1551 + ... + 2293.

It is an arithmetic number, because the mean of its divisors is an integer number (184698).

2^1428046 is an apocalyptic number.

1428046 is a deficient number, since it is larger than the sum of its proper divisors (788330).

1428046 is an equidigital number, since it uses as much as digits as its factorization.

1428046 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 807 (or 776 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 25.

The square root of 1428046 is about 1195.0087865786. The cubic root of 1428046 is about 112.6109785522.

The spelling of 1428046 in words is "one million, four hundred twenty-eight thousand, forty-six".