1834218 has 16 divisors (see below), whose sum is σ = 4076160. Its totient is φ = 611388.

The previous prime is 1834207. The next prime is 1834229. The reversal of 1834218 is 8124381.

It is an interprime number because it is at equal distance from previous prime (1834207) and next prime (1834229).

It is a super-3 number, since 3×1834218³ = 18512885193334224696, which contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 1834191 and 1834200.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16930 + ... + 17037.

It is an arithmetic number, because the mean of its divisors is an integer number (254760).

2^1834218 is an apocalyptic number.

1834218 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

1834218 is an abundant number, since it is smaller than the sum of its proper divisors (2241942).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1834218 is a wasteful number, since it uses less digits than its factorization.

1834218 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33978 (or 33972 counting only the distinct ones).

The product of its digits is 1536, while the sum is 27.

The square root of 1834218 is about 1354.3330461892. Note that the first 3 decimals coincide. The cubic root of 1834218 is about 122.4100241694.

Adding to 1834218 its reverse (8124381), we get a palindrome (9958599).

The spelling of 1834218 in words is "one million, eight hundred thirty-four thousand, two hundred eighteen".