1028930 has 16 divisors (see below), whose sum is σ = 2116800. Its totient is φ = 352752.

The previous prime is 1028903. The next prime is 1028939. The reversal of 1028930 is 398201.

It is a junction number, because it is equal to n+sod(n) for n = 1028896 and 1028905.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1028939) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 7280 + ... + 7419.

It is an arithmetic number, because the mean of its divisors is an integer number (132300).

2^1028930 is an apocalyptic number.

1028930 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1028930 is an abundant number, since it is smaller than the sum of its proper divisors (1087870).

1028930 is a wasteful number, since it uses less digits than its factorization.

1028930 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14713.

The product of its (nonzero) digits is 432, while the sum is 23.

The square root of 1028930 is about 1014.3618683685. The cubic root of 1028930 is about 100.9551805846.

The spelling of 1028930 in words is "one million, twenty-eight thousand, nine hundred thirty".