21714296 has 8 divisors (see below), whose sum is σ = 40714320. Its totient is φ = 10857144.

The previous prime is 21714281. The next prime is 21714313. The reversal of 21714296 is 69241712.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 1357136 + ... + 1357151.

It is an arithmetic number, because the mean of its divisors is an integer number (5089290).

Almost surely, 2^21714296 is an apocalyptic number.

It is an amenable number.

21714296 is a deficient number, since it is larger than the sum of its proper divisors (19000024).

21714296 is a wasteful number, since it uses less digits than its factorization.

21714296 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2714293 (or 2714289 counting only the distinct ones).

The product of its digits is 6048, while the sum is 32.

The square root of 21714296 is about 4659.8600837364. The cubic root of 21714296 is about 278.9856837590.

The spelling of 21714296 in words is "twenty-one million, seven hundred fourteen thousand, two hundred ninety-six".