21300296 has 16 divisors (see below), whose sum is σ = 40444800. Its totient is φ = 10515024.

The previous prime is 21300289. The next prime is 21300319. The reversal of 21300296 is 69200312.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16220 + ... + 17483.

It is an arithmetic number, because the mean of its divisors is an integer number (2527800).

Almost surely, 2^21300296 is an apocalyptic number.

It is an amenable number.

21300296 is a deficient number, since it is larger than the sum of its proper divisors (19144504).

21300296 is a wasteful number, since it uses less digits than its factorization.

21300296 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33788 (or 33784 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 23.

The square root of 21300296 is about 4615.2243715772. The cubic root of 21300296 is about 277.2012682252.

The spelling of 21300296 in words is "twenty-one million, three hundred thousand, two hundred ninety-six".