21483336 has 32 divisors (see below), whose sum is σ = 61381440. Its totient is φ = 6138048.

The previous prime is 21483317. The next prime is 21483337. The reversal of 21483336 is 63338412.

It is a nude number because it is divisible by every one of its digits.

It is not an unprimeable number, because it can be changed into a prime (21483337) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 63771 + ... + 64106.

It is an arithmetic number, because the mean of its divisors is an integer number (1918170).

Almost surely, 2^21483336 is an apocalyptic number.

It is an amenable number.

21483336 is an abundant number, since it is smaller than the sum of its proper divisors (39898104).

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

21483336 is a wasteful number, since it uses less digits than its factorization.

21483336 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 127893 (or 127889 counting only the distinct ones).

The product of its digits is 10368, while the sum is 30.

The square root of 21483336 is about 4635.0119740946. The cubic root of 21483336 is about 277.9930298616.

The spelling of 21483336 in words is "twenty-one million, four hundred eighty-three thousand, three hundred thirty-six".