21836062 has 12 divisors (see below), whose sum is σ = 34241760. Its totient is φ = 10442828.

The previous prime is 21836057. The next prime is 21836063. The reversal of 21836062 is 26063812.

It is a self number, because there is not a number n which added to its sum of digits gives 21836062.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21836063) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 9262 + ... + 11377.

It is an arithmetic number, because the mean of its divisors is an integer number (2853480).

Almost surely, 2^21836062 is an apocalyptic number.

21836062 is a deficient number, since it is larger than the sum of its proper divisors (12405698).

21836062 is a wasteful number, since it uses less digits than its factorization.

21836062 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20687 (or 20664 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 28.

The square root of 21836062 is about 4672.9072321201. The cubic root of 21836062 is about 279.5061959727.

Adding to 21836062 its reverse (26063812), we get a palindrome (47899874).

The spelling of 21836062 in words is "twenty-one million, eight hundred thirty-six thousand, sixty-two".