21714346 has 8 divisors (see below), whose sum is σ = 33987744. Its totient is φ = 10385100.

The previous prime is 21714337. The next prime is 21714367. The reversal of 21714346 is 64341712.

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, 235980 + ... + 236071.

It is an arithmetic number, because the mean of its divisors is an integer number (4248468).

Almost surely, 2^21714346 is an apocalyptic number.

21714346 is a deficient number, since it is larger than the sum of its proper divisors (12273398).

21714346 is a wasteful number, since it uses less digits than its factorization.

21714346 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 472076.

The product of its digits is 4032, while the sum is 28.

The square root of 21714346 is about 4659.8654487013. The cubic root of 21714346 is about 278.9858978925.

The spelling of 21714346 in words is "twenty-one million, seven hundred fourteen thousand, three hundred forty-six".