1028607 has 4 divisors (see below), whose sum is σ = 1371480. Its totient is φ = 685736.

The previous prime is 1028597. The next prime is 1028617. The reversal of 1028607 is 7068201.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (1028597) and next prime (1028617).

It is a cyclic number.

It is not a de Polignac number, because 1028607 - 2⁷ = 1028479 is a prime.

It is a D-number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1028617) 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, 171432 + ... + 171437.

It is an arithmetic number, because the mean of its divisors is an integer number (342870).

2^1028607 is an apocalyptic number.

1028607 is a deficient number, since it is larger than the sum of its proper divisors (342873).

1028607 is an equidigital number, since it uses as much as digits as its factorization.

1028607 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 342872.

The product of its (nonzero) digits is 672, while the sum is 24.

The square root of 1028607 is about 1014.2026424734. The cubic root of 1028607 is about 100.9446155847.

The spelling of 1028607 in words is "one million, twenty-eight thousand, six hundred seven".