1830338 has 8 divisors (see below), whose sum is σ = 2809488. Its totient is φ = 893844.

The previous prime is 1830337. The next prime is 1830341. The reversal of 1830338 is 8330381.

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

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1830331) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10556 + ... + 10727.

It is an arithmetic number, because the mean of its divisors is an integer number (351186).

2^1830338 is an apocalyptic number.

1830338 is a deficient number, since it is larger than the sum of its proper divisors (979150).

1830338 is a wasteful number, since it uses less digits than its factorization.

1830338 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21328.

The product of its (nonzero) digits is 1728, while the sum is 26.

The square root of 1830338 is about 1352.8998484736. The cubic root of 1830338 is about 122.3236501792.

The spelling of 1830338 in words is "one million, eight hundred thirty thousand, three hundred thirty-eight".