21600802 has 8 divisors (see below), whose sum is σ = 32472576. Its totient is φ = 10776612.

The previous prime is 21600797. The next prime is 21600811. The reversal of 21600802 is 20800612.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 21600802.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10738 + ... + 12589.

It is an arithmetic number, because the mean of its divisors is an integer number (4059072).

Almost surely, 2^21600802 is an apocalyptic number.

21600802 is a deficient number, since it is larger than the sum of its proper divisors (10871774).

21600802 is a wasteful number, since it uses less digits than its factorization.

21600802 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23792.

The product of its (nonzero) digits is 192, while the sum is 19.

The square root of 21600802 is about 4647.6662961103. Note that the first 3 decimals coincide. The cubic root of 21600802 is about 278.4987767836.

The spelling of 21600802 in words is "twenty-one million, six hundred thousand, eight hundred two".