21314308 has 12 divisors (see below), whose sum is σ = 37857232. Its totient is φ = 10497960.

The previous prime is 21314303. The next prime is 21314327. The reversal of 21314308 is 80341312.

It is not an unprimeable number, because it can be changed into a prime (21314303) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 39498 + ... + 40033.

Almost surely, 2^21314308 is an apocalyptic number.

It is an amenable number.

21314308 is a deficient number, since it is larger than the sum of its proper divisors (16542924).

21314308 is a wasteful number, since it uses less digits than its factorization.

21314308 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79602 (or 79600 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 22.

The square root of 21314308 is about 4616.7421413807. The cubic root of 21314308 is about 277.2620387857.

The spelling of 21314308 in words is "twenty-one million, three hundred fourteen thousand, three hundred eight".