21416714 has 8 divisors (see below), whose sum is σ = 35045568. Its totient is φ = 9734860.

The previous prime is 21416713. The next prime is 21416729. The reversal of 21416714 is 41761412.

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

It is not an unprimeable number, because it can be changed into a prime (21416713) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 486722 + ... + 486765.

It is an arithmetic number, because the mean of its divisors is an integer number (4380696).

Almost surely, 2^21416714 is an apocalyptic number.

21416714 is a deficient number, since it is larger than the sum of its proper divisors (13628854).

21416714 is a wasteful number, since it uses less digits than its factorization.

21416714 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 973500.

The product of its digits is 1344, while the sum is 26.

The square root of 21416714 is about 4627.8195729739. The cubic root of 21416714 is about 277.7053707928.

The spelling of 21416714 in words is "twenty-one million, four hundred sixteen thousand, seven hundred fourteen".