1830841 has 4 divisors (see below), whose sum is σ = 1833552. Its totient is φ = 1828132.

The previous prime is 1830839. The next prime is 1830863. The reversal of 1830841 is 1480381.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 1830841 - 2¹ = 1830839 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1830341) 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, 570 + ... + 1996.

It is an arithmetic number, because the mean of its divisors is an integer number (458388).

2^1830841 is an apocalyptic number.

It is an amenable number.

1830841 is a deficient number, since it is larger than the sum of its proper divisors (2711).

1830841 is a wasteful number, since it uses less digits than its factorization.

1830841 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2710.

The product of its (nonzero) digits is 768, while the sum is 25.

The square root of 1830841 is about 1353.0857326866. The cubic root of 1830841 is about 122.3348545143.

The spelling of 1830841 in words is "one million, eight hundred thirty thousand, eight hundred forty-one".