1830461 has 4 divisors (see below), whose sum is σ = 1865052. Its totient is φ = 1795872.

The previous prime is 1830443. The next prime is 1830469. The reversal of 1830461 is 1640381.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1640381 = 17 ⋅96493.

It can be written as a sum of positive squares in 2 ways, for example, as 792100 + 1038361 = 890^2 + 1019^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1830461 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 (1830469) 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, 17216 + ... + 17321.

It is an arithmetic number, because the mean of its divisors is an integer number (466263).

2^1830461 is an apocalyptic number.

It is an amenable number.

1830461 is a deficient number, since it is larger than the sum of its proper divisors (34591).

1830461 is an equidigital number, since it uses as much as digits as its factorization.

1830461 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34590.

The product of its (nonzero) digits is 576, while the sum is 23.

The square root of 1830461 is about 1352.9453056203. The cubic root of 1830461 is about 122.3263901963.

The spelling of 1830461 in words is "one million, eight hundred thirty thousand, four hundred sixty-one".