1830201 has 8 divisors (see below), whose sum is σ = 2459424. Its totient is φ = 1210560.

The previous prime is 1830181. The next prime is 1830211. The reversal of 1830201 is 1020381.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1830201 - 2¹¹ = 1828153 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1830211) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1936 + ... + 2721.

It is an arithmetic number, because the mean of its divisors is an integer number (307428).

2^1830201 is an apocalyptic number.

It is an amenable number.

1830201 is a deficient number, since it is larger than the sum of its proper divisors (629223).

1830201 is a wasteful number, since it uses less digits than its factorization.

1830201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4791.

The product of its (nonzero) digits is 48, while the sum is 15.

The square root of 1830201 is about 1352.8492155447. The cubic root of 1830201 is about 122.3205981458.

Adding to 1830201 its reverse (1020381), we get a palindrome (2850582).

The spelling of 1830201 in words is "one million, eight hundred thirty thousand, two hundred one".