1428935 has 8 divisors (see below), whose sum is σ = 1815696. Its totient is φ = 1075840.

The previous prime is 1428929. The next prime is 1428937. The reversal of 1428935 is 5398241.

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

It is not a de Polignac number, because 1428935 - 2¹⁰ = 1427911 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 (1428937) 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, 8321 + ... + 8490.

It is an arithmetic number, because the mean of its divisors is an integer number (226962).

2^1428935 is an apocalyptic number.

1428935 is a deficient number, since it is larger than the sum of its proper divisors (386761).

1428935 is a wasteful number, since it uses less digits than its factorization.

1428935 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16833.

The product of its digits is 8640, while the sum is 32.

The square root of 1428935 is about 1195.3806924993. The cubic root of 1428935 is about 112.6343415701.

The spelling of 1428935 in words is "one million, four hundred twenty-eight thousand, nine hundred thirty-five".