1834213 has 4 divisors (see below), whose sum is σ = 1844640. Its totient is φ = 1823788.

The previous prime is 1834207. The next prime is 1834229. The reversal of 1834213 is 3124381.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1834213 - 2⁹ = 1833701 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1834243) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4945 + ... + 5302.

It is an arithmetic number, because the mean of its divisors is an integer number (461160).

2^1834213 is an apocalyptic number.

It is an amenable number.

1834213 is a deficient number, since it is larger than the sum of its proper divisors (10427).

1834213 is a wasteful number, since it uses less digits than its factorization.

1834213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10426.

The product of its digits is 576, while the sum is 22.

The square root of 1834213 is about 1354.3312002609. The cubic root of 1834213 is about 122.4099129411.

Adding to 1834213 its reverse (3124381), we get a palindrome (4958594).

The spelling of 1834213 in words is "one million, eight hundred thirty-four thousand, two hundred thirteen".