214666401 has 8 divisors (see below), whose sum is σ = 286333920. Its totient is φ = 143054912.

The previous prime is 214666399. The next prime is 214666411. The reversal of 214666401 is 104666412.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 214666401 - 2¹ = 214666399 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (214666411) 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 in 7 ways as a sum of consecutive naturals, for example, 4056 + ... + 21113.

It is an arithmetic number, because the mean of its divisors is an integer number (35791740).

Almost surely, 2^214666401 is an apocalyptic number.

It is an amenable number.

214666401 is a deficient number, since it is larger than the sum of its proper divisors (71667519).

214666401 is a wasteful number, since it uses less digits than its factorization.

214666401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28015.

The product of its (nonzero) digits is 6912, while the sum is 30.

The square root of 214666401 is about 14651.4982510322. The cubic root of 214666401 is about 598.7626360828.

The spelling of 214666401 in words is "two hundred fourteen million, six hundred sixty-six thousand, four hundred one".