1428327 has 8 divisors (see below), whose sum is σ = 2116080. Its totient is φ = 952200.

The previous prime is 1428281. The next prime is 1428359. The reversal of 1428327 is 7238241.

It is not a de Polignac number, because 1428327 - 2⁷ = 1428199 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 52901 = 1428327 / (1 + 4 + 2 + 8 + 3 + 2 + 7).

It is a self number, because there is not a number n which added to its sum of digits gives 1428327.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1428127) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26424 + ... + 26477.

It is an arithmetic number, because the mean of its divisors is an integer number (264510).

2^1428327 is an apocalyptic number.

1428327 is a deficient number, since it is larger than the sum of its proper divisors (687753).

1428327 is an equidigital number, since it uses as much as digits as its factorization.

1428327 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52910 (or 52904 counting only the distinct ones).

The product of its digits is 2688, while the sum is 27.

The square root of 1428327 is about 1195.1263531527. The cubic root of 1428327 is about 112.6183643109.

It can be divided in two parts, 14283 and 27, that multiplied together give a square (385641 = 621²).

The spelling of 1428327 in words is "one million, four hundred twenty-eight thousand, three hundred twenty-seven".