1830798 has 48 divisors (see below), whose sum is σ = 4358016. Its totient is φ = 552960.

The previous prime is 1830757. The next prime is 1830817. The reversal of 1830798 is 8970381.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 9390 + ... + 9582.

It is an arithmetic number, because the mean of its divisors is an integer number (90792).

2^1830798 is an apocalyptic number.

1830798 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1830798, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2179008).

1830798 is an abundant number, since it is smaller than the sum of its proper divisors (2527218).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1830798 is a wasteful number, since it uses less digits than its factorization.

1830798 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 249 (or 246 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 36.

The square root of 1830798 is about 1353.0698429867. The cubic root of 1830798 is about 122.3338967686. Note that the first 3 decimals are identical.

It can be divided in two parts, 1830 and 798, that added together give a triangular number (2628 = T₇₂).

The spelling of 1830798 in words is "one million, eight hundred thirty thousand, seven hundred ninety-eight".