21348296 has 32 divisors (see below), whose sum is σ = 41289600. Its totient is φ = 10342080.

The previous prime is 21348289. The next prime is 21348307. The reversal of 21348296 is 69284312.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 78641 + ... + 78911.

It is an arithmetic number, because the mean of its divisors is an integer number (1290300).

Almost surely, 2^21348296 is an apocalyptic number.

It is an amenable number.

21348296 is a deficient number, since it is larger than the sum of its proper divisors (19941304).

21348296 is a wasteful number, since it uses less digits than its factorization.

21348296 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 549 (or 545 counting only the distinct ones).

The product of its digits is 20736, while the sum is 35.

The square root of 21348296 is about 4620.4216257827. The cubic root of 21348296 is about 277.4093354221.

The spelling of 21348296 in words is "twenty-one million, three hundred forty-eight thousand, two hundred ninety-six".