19999114 has 8 divisors (see below), whose sum is σ = 30017988. Its totient is φ = 9993120.

The previous prime is 19999069. The next prime is 19999117. The reversal of 19999114 is 41199991.

It can be written as a sum of positive squares in 2 ways, for example, as 14630625 + 5368489 = 3825^2 + 2317^2 .

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 (19999117) 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, 3324 + ... + 7144.

Almost surely, 2^19999114 is an apocalyptic number.

19999114 is a deficient number, since it is larger than the sum of its proper divisors (10018874).

19999114 is a wasteful number, since it uses less digits than its factorization.

19999114 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6440.

The product of its digits is 26244, while the sum is 43.

The square root of 19999114 is about 4472.0368960911. The cubic root of 19999114 is about 271.4377533103.

The spelling of 19999114 in words is "nineteen million, nine hundred ninety-nine thousand, one hundred fourteen".