21184114 has 8 divisors (see below), whose sum is σ = 36315648. Its totient is φ = 9078900.

The previous prime is 21184109. The next prime is 21184133. The reversal of 21184114 is 41148112.

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

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 756562 + ... + 756589.

It is an arithmetic number, because the mean of its divisors is an integer number (4539456).

Almost surely, 2^21184114 is an apocalyptic number.

21184114 is a deficient number, since it is larger than the sum of its proper divisors (15131534).

21184114 is a wasteful number, since it uses less digits than its factorization.

21184114 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1513160.

The product of its digits is 256, while the sum is 22.

The square root of 21184114 is about 4602.6203406321. The cubic root of 21184114 is about 276.6963530023.

The spelling of 21184114 in words is "twenty-one million, one hundred eighty-four thousand, one hundred fourteen".