1830493 has 6 divisors (see below), whose sum is σ = 2129406. Its totient is φ = 1568952.

The previous prime is 1830481. The next prime is 1830511. The reversal of 1830493 is 3940381.

It can be written as a sum of positive squares in only one way, i.e., 1350244 + 480249 = 1162^2 + 693^2 .

It is not a de Polignac number, because 1830493 - 2¹⁷ = 1699421 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1830443) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 18630 + ... + 18727.

It is an arithmetic number, because the mean of its divisors is an integer number (354901).

2^1830493 is an apocalyptic number.

It is an amenable number.

1830493 is a deficient number, since it is larger than the sum of its proper divisors (298913).

1830493 is an equidigital number, since it uses as much as digits as its factorization.

1830493 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37371 (or 37364 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 28.

The square root of 1830493 is about 1352.9571316195. The cubic root of 1830493 is about 122.3271030261.

The spelling of 1830493 in words is "one million, eight hundred thirty thousand, four hundred ninety-three".