21464314 has 8 divisors (see below), whose sum is σ = 32724468. Its totient is φ = 10556160.

The previous prime is 21464309. The next prime is 21464323. The reversal of 21464314 is 41346412.

It can be written as a sum of positive squares in 2 ways, for example, as 13198689 + 8265625 = 3633^2 + 2875^2 .

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

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 in 3 ways as a sum of consecutive naturals, for example, 87847 + ... + 88090.

Almost surely, 2^21464314 is an apocalyptic number.

21464314 is a deficient number, since it is larger than the sum of its proper divisors (11260154).

21464314 is a wasteful number, since it uses less digits than its factorization.

21464314 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 176000.

The product of its digits is 2304, while the sum is 25.

The square root of 21464314 is about 4632.9595292858. The cubic root of 21464314 is about 277.9109578021.

The spelling of 21464314 in words is "twenty-one million, four hundred sixty-four thousand, three hundred fourteen".