214461609 has 8 divisors (see below), whose sum is σ = 289162080. Its totient is φ = 141367776.

The previous prime is 214461601. The next prime is 214461619. The reversal of 214461609 is 906164412.

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

It is not a de Polignac number, because 214461609 - 2³ = 214461601 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 214461609.

It is not an unprimeable number, because it can be changed into a prime (214461601) 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, 401347 + ... + 401880.

It is an arithmetic number, because the mean of its divisors is an integer number (36145260).

Almost surely, 2^214461609 is an apocalyptic number.

It is an amenable number.

214461609 is a deficient number, since it is larger than the sum of its proper divisors (74700471).

214461609 is an equidigital number, since it uses as much as digits as its factorization.

214461609 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 803319.

The product of its (nonzero) digits is 10368, while the sum is 33.

The square root of 214461609 is about 14644.5078100973. The cubic root of 214461609 is about 598.5721687474.

The spelling of 214461609 in words is "two hundred fourteen million, four hundred sixty-one thousand, six hundred nine".