19872314 has 24 divisors (see below), whose sum is σ = 37448544. Its totient is φ = 7741800.

The previous prime is 19872313. The next prime is 19872317. The reversal of 19872314 is 41327891.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (19872313) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4172 + ... + 7559.

It is an arithmetic number, because the mean of its divisors is an integer number (1560356).

Almost surely, 2^19872314 is an apocalyptic number.

19872314 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

19872314 is a deficient number, since it is larger than the sum of its proper divisors (17576230).

19872314 is a wasteful number, since it uses less digits than its factorization.

19872314 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11762 (or 11751 counting only the distinct ones).

The product of its digits is 12096, while the sum is 35.

The square root of 19872314 is about 4457.8373680519. The cubic root of 19872314 is about 270.8628727596.

The spelling of 19872314 in words is "nineteen million, eight hundred seventy-two thousand, three hundred fourteen".