1428983 has 4 divisors (see below), whose sum is σ = 1434528. Its totient is φ = 1423440.

The previous prime is 1428979. The next prime is 1428991. The reversal of 1428983 is 3898241.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3898241 = 103 ⋅37847.

It is a cyclic number.

It is not a de Polignac number, because 1428983 - 2² = 1428979 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1428923) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2366 + ... + 2907.

It is an arithmetic number, because the mean of its divisors is an integer number (358632).

2^1428983 is an apocalyptic number.

1428983 is a deficient number, since it is larger than the sum of its proper divisors (5545).

1428983 is an equidigital number, since it uses as much as digits as its factorization.

1428983 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5544.

The product of its digits is 13824, while the sum is 35.

The square root of 1428983 is about 1195.4007696166. The cubic root of 1428983 is about 112.6356027397.

The spelling of 1428983 in words is "one million, four hundred twenty-eight thousand, nine hundred eighty-three".