19209214 has 8 divisors (see below), whose sum is σ = 29357640. Its totient is φ = 9423336.

The previous prime is 19209193. The next prime is 19209227. The reversal of 19209214 is 41290291.

It is a happy number.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 90504 + ... + 90715.

It is an arithmetic number, because the mean of its divisors is an integer number (3669705).

Almost surely, 2^19209214 is an apocalyptic number.

19209214 is a deficient number, since it is larger than the sum of its proper divisors (10148426).

19209214 is a wasteful number, since it uses less digits than its factorization.

19209214 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 181274.

The product of its (nonzero) digits is 1296, while the sum is 28.

The square root of 19209214 is about 4382.8317330238. The cubic root of 19209214 is about 267.8160075938.

The spelling of 19209214 in words is "nineteen million, two hundred nine thousand, two hundred fourteen".