1830901 has 2 divisors, whose sum is σ = 1830902. Its totient is φ = 1830900.

The previous prime is 1830889. The next prime is 1830911. The reversal of 1830901 is 1090381.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1768900 + 62001 = 1330^2 + 249^2 .

It is an emirp because it is prime and its reverse (1090381) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1830901 - 2¹⁵ = 1798133 is a prime.

It is a Chen prime.

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1830911) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 915450 + 915451.

It is an arithmetic number, because the mean of its divisors is an integer number (915451).

2^1830901 is an apocalyptic number.

It is an amenable number.

1830901 is a deficient number, since it is larger than the sum of its proper divisors (1).

1830901 is an equidigital number, since it uses as much as digits as its factorization.

1830901 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 216, while the sum is 22.

The square root of 1830901 is about 1353.1079040490. The cubic root of 1830901 is about 122.3361908785.

The spelling of 1830901 in words is "one million, eight hundred thirty thousand, nine hundred one".