1810028 has 24 divisors (see below), whose sum is σ = 3569664. Its totient is φ = 795600.

The previous prime is 1810013. The next prime is 1810033. The reversal of 1810028 is 8200181.

It is a junction number, because it is equal to n+sod(n) for n = 1809991 and 1810009.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 701 + ... + 2027.

It is an arithmetic number, because the mean of its divisors is an integer number (148736).

2^1810028 is an apocalyptic number.

It is an amenable number.

1810028 is a deficient number, since it is larger than the sum of its proper divisors (1759636).

1810028 is a wasteful number, since it uses less digits than its factorization.

1810028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1373 (or 1371 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 20.

The square root of 1810028 is about 1345.3728107852. The cubic root of 1810028 is about 121.8695191925.

The spelling of 1810028 in words is "one million, eight hundred ten thousand, twenty-eight".