214409009 has 8 divisors (see below), whose sum is σ = 222160320. Its totient is φ = 206795056.

The previous prime is 214408963. The next prime is 214409033. The reversal of 214409009 is 900904412.

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 214409009 - 2¹² = 214404913 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (214409089) 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, 31157 + ... + 37410.

It is an arithmetic number, because the mean of its divisors is an integer number (27770040).

Almost surely, 2^214409009 is an apocalyptic number.

It is an amenable number.

214409009 is a deficient number, since it is larger than the sum of its proper divisors (7751311).

214409009 is an equidigital number, since it uses as much as digits as its factorization.

214409009 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68679.

The product of its (nonzero) digits is 2592, while the sum is 29.

The square root of 214409009 is about 14642.7118048536. The cubic root of 214409009 is about 598.5232284100.

The spelling of 214409009 in words is "two hundred fourteen million, four hundred nine thousand, nine".