214000665 has 16 divisors (see below), whose sum is σ = 343046976. Its totient is φ = 113918400.

The previous prime is 214000663. The next prime is 214000687. The reversal of 214000665 is 566000412.

It is not a de Polignac number, because 214000665 - 2¹ = 214000663 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (214000663) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5071 + ... + 21300.

It is an arithmetic number, because the mean of its divisors is an integer number (21440436).

Almost surely, 2^214000665 is an apocalyptic number.

It is an amenable number.

214000665 is a deficient number, since it is larger than the sum of its proper divisors (129046311).

214000665 is a wasteful number, since it uses less digits than its factorization.

214000665 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26920.

The product of its (nonzero) digits is 1440, while the sum is 24.

The square root of 214000665 is about 14628.7615675422. The cubic root of 214000665 is about 598.1430225426.

The spelling of 214000665 in words is "two hundred fourteen million, six hundred sixty-five", and thus it is an aban number.