21304114 has 8 divisors (see below), whose sum is σ = 34414380. Its totient is φ = 9832656.

The previous prime is 21304109. The next prime is 21304117. The reversal of 21304114 is 41140312.

It can be written as a sum of positive squares in 2 ways, for example, as 17363889 + 3940225 = 4167^2 + 1985^2 .

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 (21304117) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 409669 + ... + 409720.

Almost surely, 2^21304114 is an apocalyptic number.

21304114 is a deficient number, since it is larger than the sum of its proper divisors (13110266).

21304114 is a wasteful number, since it uses less digits than its factorization.

21304114 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 819404.

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 21304114 is about 4615.6379840711. The cubic root of 21304114 is about 277.2178296729.

Adding to 21304114 its reverse (41140312), we get a palindrome (62444426).

The spelling of 21304114 in words is "twenty-one million, three hundred four thousand, one hundred fourteen".