21679114 has 32 divisors (see below), whose sum is σ = 37264320. Its totient is φ = 9393408.

The previous prime is 21679109. The next prime is 21679127. The reversal of 21679114 is 41197612.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23449 + ... + 24355.

It is an arithmetic number, because the mean of its divisors is an integer number (1164510).

Almost surely, 2^21679114 is an apocalyptic number.

21679114 is a deficient number, since it is larger than the sum of its proper divisors (15585206).

21679114 is a wasteful number, since it uses less digits than its factorization.

21679114 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 982.

The product of its digits is 3024, while the sum is 31.

The square root of 21679114 is about 4656.0835473604. The cubic root of 21679114 is about 278.8349293116.

The spelling of 21679114 in words is "twenty-one million, six hundred seventy-nine thousand, one hundred fourteen".