209312414 has 8 divisors (see below), whose sum is σ = 315220248. Its totient is φ = 104239000.

The previous prime is 209312413. The next prime is 209312431. The reversal of 209312414 is 414213902.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (209312413) 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, 207977 + ... + 208980.

It is an arithmetic number, because the mean of its divisors is an integer number (39402531).

Almost surely, 2^209312414 is an apocalyptic number.

209312414 is a deficient number, since it is larger than the sum of its proper divisors (105907834).

209312414 is a wasteful number, since it uses less digits than its factorization.

209312414 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 417210.

The product of its (nonzero) digits is 1728, while the sum is 26.

The square root of 209312414 is about 14467.6333240790. The cubic root of 209312414 is about 593.7427625489.

The spelling of 209312414 in words is "two hundred nine million, three hundred twelve thousand, four hundred fourteen".