19479914 has 8 divisors (see below), whose sum is σ = 29269380. Its totient is φ = 9723456.

The previous prime is 19479869. The next prime is 19479917. The reversal of 19479914 is 41997491.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 14784025 + 4695889 = 3845^2 + 2167^2 .

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 (19479917) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6719 + ... + 9170.

Almost surely, 2^19479914 is an apocalyptic number.

19479914 is a deficient number, since it is larger than the sum of its proper divisors (9789466).

19479914 is a wasteful number, since it uses less digits than its factorization.

19479914 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16504.

The product of its digits is 81648, while the sum is 44.

The square root of 19479914 is about 4413.6055555521. The cubic root of 19479914 is about 269.0681824374.

It can be divided in two parts, 194 and 79914, that added together give a palindrome (80108).

The spelling of 19479914 in words is "nineteen million, four hundred seventy-nine thousand, nine hundred fourteen".