19206814 has 12 divisors (see below), whose sum is σ = 31667832. Its totient is φ = 8730260.

The previous prime is 19206791. The next prime is 19206833. The reversal of 19206814 is 41860291.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 39442 + ... + 39925.

It is an arithmetic number, because the mean of its divisors is an integer number (2638986).

Almost surely, 2^19206814 is an apocalyptic number.

19206814 is a deficient number, since it is larger than the sum of its proper divisors (12461018).

19206814 is a wasteful number, since it uses less digits than its factorization.

19206814 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79391 (or 79380 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 31.

The square root of 19206814 is about 4382.5579288813. The cubic root of 19206814 is about 267.8048534815.

The spelling of 19206814 in words is "nineteen million, two hundred six thousand, eight hundred fourteen".