21883043 has 8 divisors (see below), whose sum is σ = 26933088. Its totient is φ = 17313984.

The previous prime is 21883039. The next prime is 21883049. The reversal of 21883043 is 34038812.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 21883043 - 2² = 21883039 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 21882997 and 21883015.

It is not an unprimeable number, because it can be changed into a prime (21883049) 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, 120146 + ... + 120327.

It is an arithmetic number, because the mean of its divisors is an integer number (3366636).

Almost surely, 2^21883043 is an apocalyptic number.

21883043 is a deficient number, since it is larger than the sum of its proper divisors (5050045).

21883043 is a wasteful number, since it uses less digits than its factorization.

21883043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 240493.

The product of its (nonzero) digits is 4608, while the sum is 29.

The square root of 21883043 is about 4677.9314873136. The cubic root of 21883043 is about 279.7065079494.

The spelling of 21883043 in words is "twenty-one million, eight hundred eighty-three thousand, forty-three".