214934009 has 4 divisors (see below), whose sum is σ = 227577204. Its totient is φ = 202290816.

The previous prime is 214933997. The next prime is 214934017. The reversal of 214934009 is 900439412.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 61669609 + 153264400 = 7853^2 + 12380^2 .

It is a cyclic number.

It is not a de Polignac number, because 214934009 - 2²⁰ = 213885433 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (214934029) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6321572 + ... + 6321605.

It is an arithmetic number, because the mean of its divisors is an integer number (56894301).

Almost surely, 2^214934009 is an apocalyptic number.

It is an amenable number.

214934009 is a deficient number, since it is larger than the sum of its proper divisors (12643195).

214934009 is a wasteful number, since it uses less digits than its factorization.

214934009 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12643194.

The product of its (nonzero) digits is 7776, while the sum is 32.

The square root of 214934009 is about 14660.6278514939. The cubic root of 214934009 is about 599.0113431204.

The spelling of 214934009 in words is "two hundred fourteen million, nine hundred thirty-four thousand, nine".