1428859 has 6 divisors (see below), whose sum is σ = 1480700. Its totient is φ = 1378776.

The previous prime is 1428853. The next prime is 1428863. The reversal of 1428859 is 9588241.

It is not a de Polignac number, because 1428859 - 2³ = 1428851 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1428851) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 9 + ... + 1690.

2^1428859 is an apocalyptic number.

1428859 is a deficient number, since it is larger than the sum of its proper divisors (51841).

1428859 is an equidigital number, since it uses as much as digits as its factorization.

1428859 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1757 (or 1728 counting only the distinct ones).

The product of its digits is 23040, while the sum is 37.

The square root of 1428859 is about 1195.3489030404. The cubic root of 1428859 is about 112.6323446606.

The spelling of 1428859 in words is "one million, four hundred twenty-eight thousand, eight hundred fifty-nine".