19864114 has 8 divisors (see below), whose sum is σ = 29829888. Its totient is φ = 9920820.

The previous prime is 19864099. The next prime is 19864121. The reversal of 19864114 is 41146891.

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

It is a self number, because there is not a number n which added to its sum of digits gives 19864114.

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, 3202 + ... + 7069.

It is an arithmetic number, because the mean of its divisors is an integer number (3728736).

Almost surely, 2^19864114 is an apocalyptic number.

19864114 is a deficient number, since it is larger than the sum of its proper divisors (9965774).

19864114 is a wasteful number, since it uses less digits than its factorization.

19864114 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11240.

The product of its digits is 6912, while the sum is 34.

The square root of 19864114 is about 4456.9175446714. The cubic root of 19864114 is about 270.8256118561.

The spelling of 19864114 in words is "nineteen million, eight hundred sixty-four thousand, one hundred fourteen".