1028679 has 8 divisors (see below), whose sum is σ = 1443840. Its totient is φ = 649656.

The previous prime is 1028669. The next prime is 1028681. The reversal of 1028679 is 9768201.

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

It is not a de Polignac number, because 1028679 - 2⁴ = 1028663 is a prime.

It is a Smith number, since the sum of its digits (33) 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 not an unprimeable number, because it can be changed into a prime (1028669) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8967 + ... + 9080.

It is an arithmetic number, because the mean of its divisors is an integer number (180480).

2^1028679 is an apocalyptic number.

1028679 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

1028679 is a deficient number, since it is larger than the sum of its proper divisors (415161).

1028679 is a wasteful number, since it uses less digits than its factorization.

1028679 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18069.

The product of its (nonzero) digits is 6048, while the sum is 33.

The square root of 1028679 is about 1014.2381377172. The cubic root of 1028679 is about 100.9469708226.

The spelling of 1028679 in words is "one million, twenty-eight thousand, six hundred seventy-nine".