1428214 has 4 divisors (see below), whose sum is σ = 2142324. Its totient is φ = 714106.

The previous prime is 1428209. The next prime is 1428233. The reversal of 1428214 is 4128241.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 4128241 = 13 ⋅317557.

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 357052 + ... + 357055.

It is an arithmetic number, because the mean of its divisors is an integer number (535581).

2^1428214 is an apocalyptic number.

1428214 is a deficient number, since it is larger than the sum of its proper divisors (714110).

1428214 is an equidigital number, since it uses as much as digits as its factorization.

1428214 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 714109.

The product of its digits is 512, while the sum is 22.

The square root of 1428214 is about 1195.0790768815. The cubic root of 1428214 is about 112.6153943536.

The spelling of 1428214 in words is "one million, four hundred twenty-eight thousand, two hundred fourteen".