21834683 has 8 divisors (see below), whose sum is σ = 23550576. Its totient is φ = 20124000.

The previous prime is 21834679. The next prime is 21834691. The reversal of 21834683 is 38643812.

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 21834683 - 2² = 21834679 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (21834623) 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, 16133 + ... + 17433.

It is an arithmetic number, because the mean of its divisors is an integer number (2943822).

Almost surely, 2^21834683 is an apocalyptic number.

21834683 is a deficient number, since it is larger than the sum of its proper divisors (1715893).

21834683 is a wasteful number, since it uses less digits than its factorization.

21834683 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2605.

The product of its digits is 27648, while the sum is 35.

The square root of 21834683 is about 4672.7596771073. The cubic root of 21834683 is about 279.5003120186.

The spelling of 21834683 in words is "twenty-one million, eight hundred thirty-four thousand, six hundred eighty-three".