214438065 has 16 divisors (see below), whose sum is σ = 343286208. Its totient is φ = 114305216.

The previous prime is 214438061. The next prime is 214438079. The reversal of 214438065 is 560834412.

It is a cyclic number.

It is not a de Polignac number, because 214438065 - 2² = 214438061 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (214438061) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 43927 + ... + 48563.

It is an arithmetic number, because the mean of its divisors is an integer number (21455388).

Almost surely, 2^214438065 is an apocalyptic number.

It is an amenable number.

214438065 is a deficient number, since it is larger than the sum of its proper divisors (128848143).

214438065 is a wasteful number, since it uses less digits than its factorization.

214438065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7728.

The product of its (nonzero) digits is 23040, while the sum is 33.

The square root of 214438065 is about 14643.7039371875. The cubic root of 214438065 is about 598.5502638185.

The spelling of 214438065 in words is "two hundred fourteen million, four hundred thirty-eight thousand, sixty-five".