1028426 has 8 divisors (see below), whose sum is σ = 1763040. Its totient is φ = 440748.

The previous prime is 1028411. The next prime is 1028437. The reversal of 1028426 is 6248201.

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

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 36716 + ... + 36743.

It is an arithmetic number, because the mean of its divisors is an integer number (220380).

2^1028426 is an apocalyptic number.

1028426 is a deficient number, since it is larger than the sum of its proper divisors (734614).

1028426 is an equidigital number, since it uses as much as digits as its factorization.

1028426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73468.

The product of its (nonzero) digits is 768, while the sum is 23.

The square root of 1028426 is about 1014.1134058871. The cubic root of 1028426 is about 100.9386942927.

The spelling of 1028426 in words is "one million, twenty-eight thousand, four hundred twenty-six".