21843483 has 8 divisors (see below), whose sum is σ = 30657600. Its totient is φ = 13795848.

The previous prime is 21843461. The next prime is 21843539. The reversal of 21843483 is 38434812.

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

It is not a de Polignac number, because 21843483 - 2⁹ = 21842971 is a prime.

It is not an unprimeable number, because it can be changed into a prime (21843403) 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 7 ways as a sum of consecutive naturals, for example, 191553 + ... + 191666.

It is an arithmetic number, because the mean of its divisors is an integer number (3832200).

Almost surely, 2^21843483 is an apocalyptic number.

21843483 is a deficient number, since it is larger than the sum of its proper divisors (8814117).

21843483 is a wasteful number, since it uses less digits than its factorization.

21843483 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 383241.

The product of its digits is 18432, while the sum is 33.

The square root of 21843483 is about 4673.7012099620. The cubic root of 21843483 is about 279.5378558411.

The spelling of 21843483 in words is "twenty-one million, eight hundred forty-three thousand, four hundred eighty-three".