216893714 has 4 divisors (see below), whose sum is σ = 325340574. Its totient is φ = 108446856.

The previous prime is 216893689. The next prime is 216893717. The reversal of 216893714 is 417398612.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 187005625 + 29888089 = 13675^2 + 5467^2 .

It is not an unprimeable number, because it can be changed into a prime (216893717) by changing a digit.

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, 54223427 + ... + 54223430.

Almost surely, 2^216893714 is an apocalyptic number.

216893714 is a deficient number, since it is larger than the sum of its proper divisors (108446860).

216893714 is a wasteful number, since it uses less digits than its factorization.

216893714 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 108446859.

The product of its digits is 72576, while the sum is 41.

The square root of 216893714 is about 14727.3118388931. The cubic root of 216893714 is about 600.8263742830.

The spelling of 216893714 in words is "two hundred sixteen million, eight hundred ninety-three thousand, seven hundred fourteen".