216437214 has 24 divisors (see below), whose sum is σ = 503548488. Its totient is φ = 61839120.

The previous prime is 216437201. The next prime is 216437261. The reversal of 216437214 is 412734612.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 367797 + ... + 368384.

It is an arithmetic number, because the mean of its divisors is an integer number (20981187).

Almost surely, 2^216437214 is an apocalyptic number.

216437214 is an abundant number, since it is smaller than the sum of its proper divisors (287111274).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

216437214 is a wasteful number, since it uses less digits than its factorization.

216437214 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 736200 (or 736193 counting only the distinct ones).

The product of its digits is 8064, while the sum is 30.

The square root of 216437214 is about 14711.8052597225. The cubic root of 216437214 is about 600.4045549420.

The spelling of 216437214 in words is "two hundred sixteen million, four hundred thirty-seven thousand, two hundred fourteen".