19449914 has 8 divisors (see below), whose sum is σ = 31827168. Its totient is φ = 8840860.

The previous prime is 19449893. The next prime is 19449943. The reversal of 19449914 is 41994491.

It is a happy number.

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

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, 442022 + ... + 442065.

It is an arithmetic number, because the mean of its divisors is an integer number (3978396).

Almost surely, 2^19449914 is an apocalyptic number.

19449914 is a deficient number, since it is larger than the sum of its proper divisors (12377254).

19449914 is a wasteful number, since it uses less digits than its factorization.

19449914 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 884100.

The product of its digits is 46656, while the sum is 41.

The square root of 19449914 is about 4410.2056641386. The cubic root of 19449914 is about 268.9299855097.

The spelling of 19449914 in words is "nineteen million, four hundred forty-nine thousand, nine hundred fourteen".