19494914 has 4 divisors (see below), whose sum is σ = 29242374. Its totient is φ = 9747456.

The previous prime is 19494911. The next prime is 19494947. The reversal of 19494914 is 41949491.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 13653025 + 5841889 = 3695^2 + 2417^2 .

It is a super-3 number, since 3×19494914³ (a number of 23 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (19494911) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4873727 + ... + 4873730.

Almost surely, 2^19494914 is an apocalyptic number.

19494914 is a deficient number, since it is larger than the sum of its proper divisors (9747460).

19494914 is an equidigital number, since it uses as much as digits as its factorization.

19494914 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9747459.

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

The square root of 19494914 is about 4415.3045195094. The cubic root of 19494914 is about 269.1372276984.

The spelling of 19494914 in words is "nineteen million, four hundred ninety-four thousand, nine hundred fourteen".