1428803 has 8 divisors (see below), whose sum is σ = 1480560. Its totient is φ = 1378080.

The previous prime is 1428793. The next prime is 1428811. The reversal of 1428803 is 3088241.

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

It is a cyclic number.

It is not a de Polignac number, because 1428803 - 2⁴ = 1428787 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1428853) 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 7 ways as a sum of consecutive naturals, for example, 3401 + ... + 3797.

It is an arithmetic number, because the mean of its divisors is an integer number (185070).

2^1428803 is an apocalyptic number.

1428803 is a deficient number, since it is larger than the sum of its proper divisors (51757).

1428803 is an equidigital number, since it uses as much as digits as its factorization.

1428803 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 517.

The product of its (nonzero) digits is 1536, while the sum is 26.

The square root of 1428803 is about 1195.3254786877. The cubic root of 1428803 is about 112.6308732083.

The spelling of 1428803 in words is "one million, four hundred twenty-eight thousand, eight hundred three".