21600096 has 48 divisors (see below), whose sum is σ = 64802304. Its totient is φ = 6171264.

The previous prime is 21600091. The next prime is 21600121. The reversal of 21600096 is 69000612.

It is a tau number, because it is divible by the number of its divisors (48).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21600091) 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, 15400 + ... + 16743.

It is an arithmetic number, because the mean of its divisors is an integer number (1350048).

Almost surely, 2^21600096 is an apocalyptic number.

It is an amenable number.

21600096 is an abundant number, since it is smaller than the sum of its proper divisors (43202208).

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

21600096 is a wasteful number, since it uses less digits than its factorization.

21600096 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32163 (or 32155 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 24.

The square root of 21600096 is about 4647.5903433930. The cubic root of 21600096 is about 278.4957426018.

The spelling of 21600096 in words is "twenty-one million, six hundred thousand, ninety-six".