19387714 has 8 divisors (see below), whose sum is σ = 30612240. Its totient is φ = 9183636.

The previous prime is 19387703. The next prime is 19387717. The reversal of 19387714 is 41778391.

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

It is not an unprimeable number, because it can be changed into a prime (19387717) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 255064 + ... + 255139.

It is an arithmetic number, because the mean of its divisors is an integer number (3826530).

Almost surely, 2^19387714 is an apocalyptic number.

19387714 is a deficient number, since it is larger than the sum of its proper divisors (11224526).

19387714 is a wasteful number, since it uses less digits than its factorization.

19387714 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 510224.

The product of its digits is 42336, while the sum is 40.

The square root of 19387714 is about 4403.1481919191. The cubic root of 19387714 is about 268.6430038112.

The spelling of 19387714 in words is "nineteen million, three hundred eighty-seven thousand, seven hundred fourteen".