1830208 has 14 divisors (see below), whose sum is σ = 3631946. Its totient is φ = 915072.

The previous prime is 1830181. The next prime is 1830211. The reversal of 1830208 is 8020381.

It can be written as a sum of positive squares in only one way, i.e., 1827904 + 2304 = 1352^2 + 48^2 .

It is a super-2 number, since 2×1830208² = 6699322646528, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14235 + ... + 14362.

2^1830208 is an apocalyptic number.

It is an amenable number.

1830208 is a deficient number, since it is larger than the sum of its proper divisors (1801738).

1830208 is an equidigital number, since it uses as much as digits as its factorization.

1830208 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28609 (or 28599 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 22.

The square root of 1830208 is about 1352.8518026746. The cubic root of 1830208 is about 122.3207540928.

Adding to 1830208 its reverse (8020381), we get a palindrome (9850589).

The spelling of 1830208 in words is "one million, eight hundred thirty thousand, two hundred eight".