214347621 has 8 divisors (see below), whose sum is σ = 287376544. Its totient is φ = 142108560.

The previous prime is 214347587. The next prime is 214347629. The reversal of 214347621 is 126743412.

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

It is not a de Polignac number, because 214347621 - 2¹³ = 214339429 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (214347629) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 196831 + ... + 197916.

It is an arithmetic number, because the mean of its divisors is an integer number (35922068).

Almost surely, 2^214347621 is an apocalyptic number.

It is an amenable number.

214347621 is a deficient number, since it is larger than the sum of its proper divisors (73028923).

214347621 is a wasteful number, since it uses less digits than its factorization.

214347621 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 394931.

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

The square root of 214347621 is about 14640.6154583747. The cubic root of 214347621 is about 598.4661013778.

The spelling of 214347621 in words is "two hundred fourteen million, three hundred forty-seven thousand, six hundred twenty-one".