21835014 has 16 divisors (see below), whose sum is σ = 43744752. Its totient is φ = 7265888.

The previous prime is 21835007. The next prime is 21835019. The reversal of 21835014 is 41053812.

It is a super-3 number, since 3×21835014³ (a number of 23 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21835019) 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 7 ways as a sum of consecutive naturals, for example, 1132 + ... + 6704.

It is an arithmetic number, because the mean of its divisors is an integer number (2734047).

Almost surely, 2^21835014 is an apocalyptic number.

21835014 is an abundant number, since it is smaller than the sum of its proper divisors (21909738).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

21835014 is a wasteful number, since it uses less digits than its factorization.

21835014 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6231.

The product of its (nonzero) digits is 960, while the sum is 24.

The square root of 21835014 is about 4672.7950950154. The cubic root of 21835014 is about 279.5017243609.

Adding to 21835014 its reverse (41053812), we get a palindrome (62888826).

The spelling of 21835014 in words is "twenty-one million, eight hundred thirty-five thousand, fourteen".