19714216 has 16 divisors (see below), whose sum is σ = 37012500. Its totient is φ = 9844224.

The previous prime is 19714207. The next prime is 19714241. The reversal of 19714216 is 61241791.

It can be written as a sum of positive squares in 2 ways, for example, as 18957316 + 756900 = 4354^2 + 870^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9006 + ... + 10978.

Almost surely, 2^19714216 is an apocalyptic number.

It is an amenable number.

19714216 is a deficient number, since it is larger than the sum of its proper divisors (17298284).

19714216 is a wasteful number, since it uses less digits than its factorization.

19714216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3228 (or 3224 counting only the distinct ones).

The product of its digits is 3024, while the sum is 31.

The square root of 19714216 is about 4440.0693688275. The cubic root of 19714216 is about 270.1426589498.

The spelling of 19714216 in words is "nineteen million, seven hundred fourteen thousand, two hundred sixteen".